Patches Released
Critical Severity
Important Severity
Moderate Severity
N/A Severity
September Patch Tuesday Releases
September 2026 Release Notes
Microsoft Patches Released
Below is a list of patches released by Microsoft September, 2026.
| articleID | supportURL | UpdateName | Description | Architecture | Classification | Severity | SupportedProducts | |
|---|---|---|---|---|---|---|---|---|
| KB5122773 | https://support.microsoft.com/help/5122773 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122773 | Security Update for SQL Server 2019 RTM GDR (KB5122773) | Security issues have been identified in the SQL Server 2019 RTM GDR that could allow an attacker to compromise your system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Microsoft SQL Server 2019 |
| KB5122771 | https://support.microsoft.com/help/5122771 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122771 | Security Update for SQL Server 2022 RTM GDR (KB5122771) | Security issues have been identified in the SQL Server 2022 RTM GDR that could allow an attacker to compromise your system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Microsoft SQL Server 2022 |
| KB5122770 | https://support.microsoft.com/help/5122770 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122770 | Security Update for SQL Server 2025 RTM GDR (KB5122770) | Security issues have been identified in the SQL Server 2025 RTM GDR that could allow an attacker to compromise your system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Microsoft SQL Server 2025 |
| KB5122772 | https://support.microsoft.com/help/5122772 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122772 | Security Update for SQL Server 2019 RTM CU (KB5122772) | Security issues have been identified in the SQL Server 2019 RTM CU that could allow an attacker to compromise your system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Microsoft SQL Server 2019 |
| KB5122769 | https://support.microsoft.com/help/5122769 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122769 | Security Update for SQL Server 2025 RTM CU (KB5122769) | Security issues have been identified in the SQL Server 2025 RTM CU that could allow an attacker to compromise your system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Microsoft SQL Server 2025 |
| KB5122768 | https://support.microsoft.com/help/5122768 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122768 | Security Update for SQL Server 2022 RTM CU (KB5122768) | Security issues have been identified in the SQL Server 2022 RTM CU that could allow an attacker to compromise your system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Microsoft SQL Server 2022 |
| KB5122876 | https://support.microsoft.com/help/5122876 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122876 | 2026-09 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5122876) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows Server 2019 |
| KB5122876 | https://support.microsoft.com/help/5122876 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122876 | 2026-09 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5122876) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Critical | Windows 10 LTSB |
| KB5122876 | https://support.microsoft.com/help/5122876 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122876 | 2026-09 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5122876) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows 10 LTSB |
| KB5122882 | https://support.microsoft.com/help/5122882 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122882 | 2026-09 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5122882) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Microsoft Server operating system-21H2 |
| KB5122878 | https://support.microsoft.com/help/5122878 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122878 | 2026-09 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5122878) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Critical | Windows 10 LTSB |
| KB5122878 | https://support.microsoft.com/help/5122878 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122878 | 2026-09 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems (KB5122878) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | ARM64 | Security Updates | Critical | Windows 10, version 1903 and later |
| KB5122878 | https://support.microsoft.com/help/5122878 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122878 | 2026-09 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5122878) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows 10, version 1903 and later |
| KB5122878 | https://support.microsoft.com/help/5122878 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122878 | 2026-09 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5122878) | ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 10 and later GDR-DU |
| KB5122878 | https://support.microsoft.com/help/5122878 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122878 | 2026-09 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5122878) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | ARM64 | Security Updates | Critical | Windows 10 LTSB |
| KB5122878 | https://support.microsoft.com/help/5122878 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122878 | 2026-09 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5122878) | ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 10 and later GDR-DU |
| KB5122878 | https://support.microsoft.com/help/5122878 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122878 | 2026-09 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5122878) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Critical | Windows 10, version 1903 and later |
| KB5122878 | https://support.microsoft.com/help/5122878 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122878 | 2026-09 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5122878) | ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 10 and later GDR-DU |
| KB5122878 | https://support.microsoft.com/help/5122878 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122878 | 2026-09 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5122878) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows 10 LTSB |
| KB5122871 | https://support.microsoft.com/help/5122871 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122871 | 2026-09 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5122871) (26100.33438) | Install this update to resolve issues in Microsoft server operating system, version 24H2. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Microsoft Server Operating System-24H2 |
| KB5124008 | https://support.microsoft.com/help/5124008 | https://www.catalog.update.microsoft.com/Search.aspx?q=5124008 | 2026-09 Cumulative Update for Windows 11, version 26H2 for x64-based Systems (KB5124008) (26300.9445) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows Insider Pre-Release |
| KB5124008 | https://support.microsoft.com/help/5124008 | https://www.catalog.update.microsoft.com/Search.aspx?q=5124008 | 2026-09 Cumulative Update for Windows 11, version 24H2 for x64-based Systems (KB5124008) (26100.9445) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows 11 |
| KB5124008 | https://support.microsoft.com/help/5124008 | https://www.catalog.update.microsoft.com/Search.aspx?q=5124008 | 2026-09 Cumulative Update for Windows 11, version 26H2 for arm64-based Systems (KB5124008) (26300.9445) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows Insider Pre-Release |
| KB5124008 | https://support.microsoft.com/help/5124008 | https://www.catalog.update.microsoft.com/Search.aspx?q=5124008 | 2026-09 Cumulative Update for Windows 11, version 25H2 for arm64-based Systems (KB5124008) (26200.9445) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows 11 |
| KB5124008 | https://support.microsoft.com/help/5124008 | https://www.catalog.update.microsoft.com/Search.aspx?q=5124008 | 2026-09 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5124008) (26200.9445) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows 11 |
| KB5124008 | https://support.microsoft.com/help/5124008 | https://www.catalog.update.microsoft.com/Search.aspx?q=5124008 | 2026-09 Cumulative Update for Windows 11, version 24H2 for arm64-based Systems (KB5124008) (26100.9445) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows 11 |
| KB5122880 | https://support.microsoft.com/help/5122880 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122880 | 2026-09 Cumulative Update for Windows 11, version 23H2 for x64-based Systems (KB5122880) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows 11 |
| KB5122880 | https://support.microsoft.com/help/5122880 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122880 | 2026-09 Cumulative Update for Windows 11, version 23H2 for arm64-based Systems (KB5122880) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows 11 |
| KB5124012 | https://support.microsoft.com/help/5124012 | https://www.catalog.update.microsoft.com/Search.aspx?q=5124012 | 2026-09 Cumulative Update for Windows 11, version 26H1 for x64-based Systems (KB5124012) (28000.2954) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows Insider Pre-Release |
| KB5124012 | https://support.microsoft.com/help/5124012 | https://www.catalog.update.microsoft.com/Search.aspx?q=5124012 | 2026-09 Cumulative Update for Windows 11, version 26H1 for arm64-based Systems (KB5124012) (28000.2954) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Windows 11 |
| KB5123099 | https://support.microsoft.com/help/5123099 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123099 | 2026-09 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5123099) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows Server 2016 |
| KB5123099 | https://support.microsoft.com/help/5123099 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123099 | 2026-09 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5123099) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Critical | Windows 10 |
| KB5123099 | https://support.microsoft.com/help/5123099 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123099 | 2026-09 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5123099) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows 10 |
| KB5123065 | https://support.microsoft.com/help/5123065 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123065 | 2026-09 Security Monthly Quality Rollup for Windows Server 2012 for x64-based Systems (KB5123065) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows Server 2012 |
| KB5123066 | https://support.microsoft.com/help/5123066 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123066 | 2026-09 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5123066) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows Server 2012 R2 |
| KB5121610 | https://support.microsoft.com/help/5121610 | https://www.catalog.update.microsoft.com/Search.aspx?q=5121610 | 2026-09 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5123066) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows Server 2012 R2 |
| KB5121609 | https://support.microsoft.com/help/5121609 | https://www.catalog.update.microsoft.com/Search.aspx?q=5121609 | 2026-09 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5123066) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Critical | Windows Server 2012 R2 |
| KB5121608 | https://support.microsoft.com/help/5121608 | https://www.catalog.update.microsoft.com/Search.aspx?q=5121608 | Security Update For Exchange Server Subscription Edition (KB5121608) | The update addresses the fixes descripted in the KB | n/a | Security Updates | n/a | Exchange Server Subscription Edition |
| KB5126104 | https://support.microsoft.com/help/5126104 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126104 | 2026-09 .NET 8.0.31 Security Update for ARM64 Client (KB5126104) | 2026-09 .NET 8.0.31 Security Update for ARM64 Client (KB5126104) | ARM64 | Security Updates | Important | .NET 8.0 |
| KB5126104 | https://support.microsoft.com/help/5126104 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126104 | 2026-09 .NET 8.0.31 Security Update for x64 Server (KB5126104) | 2026-09 .NET 8.0.31 Security Update for x64 Server (KB5126104) | AMD64 | Security Updates | Important | .NET 8.0 |
| KB5126104 | https://support.microsoft.com/help/5126104 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126104 | 2026-09 .NET 8.0.31 Security Update for x64 Client (KB5126104) | 2026-09 .NET 8.0.31 Security Update for x64 Client (KB5126104) | AMD64 | Security Updates | Important | .NET 8.0 |
| KB5126104 | https://support.microsoft.com/help/5126104 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126104 | 2026-09 .NET 8.0.31 Security Update for x86 Client (KB5126104) | 2026-09 .NET 8.0.31 Security Update for x86 Client (KB5126104) | X86 | Security Updates | Important | .NET 8.0 |
| KB5126105 | https://support.microsoft.com/help/5126105 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126105 | 2026-09 .NET 9.0.20 Security Update for x64 Server (KB5126105) | 2026-09 .NET 9.0.20 Security Update for x64 Server (KB5126105) | AMD64 | Security Updates | Important | .NET 9.0 |
| KB5126105 | https://support.microsoft.com/help/5126105 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126105 | 2026-09 .NET 9.0.20 Security Update for x86 Client (KB5126105) | 2026-09 .NET 9.0.20 Security Update for x86 Client (KB5126105) | X86 | Security Updates | Important | .NET 9.0 |
| KB5126105 | https://support.microsoft.com/help/5126105 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126105 | 2026-09 .NET 9.0.20 Security Update for x64 Client (KB5126105) | 2026-09 .NET 9.0.20 Security Update for x64 Client (KB5126105) | AMD64 | Security Updates | Important | .NET 9.0 |
| KB5126105 | https://support.microsoft.com/help/5126105 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126105 | 2026-09 .NET 9.0.20 Security Update for ARM64 Client (KB5126105) | 2026-09 .NET 9.0.20 Security Update for ARM64 Client (KB5126105) | ARM64 | Security Updates | Important | .NET 9.0 |
| KB5126106 | https://support.microsoft.com/help/5126106 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126106 | 2026-09 .NET 10.0.12 Security Update for ARM64 Client (KB5126106) | 2026-09 .NET 10.0.12 Security Update for ARM64 Client (KB5126106) | ARM64 | Security Updates | Important | .NET 10.0 |
| KB5126106 | https://support.microsoft.com/help/5126106 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126106 | 2026-09 .NET 10.0.12 Security Update for x64 Client (KB5126106) | 2026-09 .NET 10.0.12 Security Update for x64 Client (KB5126106) | AMD64 | Security Updates | Important | .NET 10.0 |
| KB5126106 | https://support.microsoft.com/help/5126106 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126106 | 2026-09 .NET 10.0.12 Security Update for x86 Client (KB5126106) | 2026-09 .NET 10.0.12 Security Update for x86 Client (KB5126106) | X86 | Security Updates | Important | .NET 10.0 |
| KB5126106 | https://support.microsoft.com/help/5126106 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126106 | 2026-09 .NET 10.0.12 Security Update for x64 Server (KB5126106) | 2026-09 .NET 10.0.12 Security Update for x64 Server (KB5126106) | AMD64 | Security Updates | Important | .NET 10.0 |
| KB5002923 | https://support.microsoft.com/help/5002923 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002923 | Security Update for Microsoft Word 2016 (KB5002923) 64-Bit Edition | A security vulnerability exists in Microsoft Word 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002923 | https://support.microsoft.com/help/5002923 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002923 | Security Update for Microsoft Word 2016 (KB5002923) 32-Bit Edition | A security vulnerability exists in Microsoft Word 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5123301 | https://support.microsoft.com/help/5123301 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123301 | Security Update for Microsoft Word 2016 (KB5002923) 64-Bit Edition | A security vulnerability exists in Microsoft Word 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5123301 | https://support.microsoft.com/help/5123301 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123301 | Security Update for Microsoft Word 2016 (KB5002923) 32-Bit Edition | A security vulnerability exists in Microsoft Word 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5123287 | https://support.microsoft.com/help/5123287 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123287 | Security Update for Microsoft Word 2016 (KB5002923) 64-Bit Edition | A security vulnerability exists in Microsoft Word 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5123287 | https://support.microsoft.com/help/5123287 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123287 | Security Update for Microsoft Word 2016 (KB5002923) 32-Bit Edition | A security vulnerability exists in Microsoft Word 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5123300 | https://support.microsoft.com/help/5123300 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123300 | Security Update for Microsoft Word 2016 (KB5002923) 64-Bit Edition | A security vulnerability exists in Microsoft Word 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5123300 | https://support.microsoft.com/help/5123300 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123300 | Security Update for Microsoft Word 2016 (KB5002923) 32-Bit Edition | A security vulnerability exists in Microsoft Word 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002916 | https://support.microsoft.com/help/5002916 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002916 | Security Update for Microsoft Office 2016 (KB5002916) 64-Bit Edition | A security vulnerability exists in Microsoft Office 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002916 | https://support.microsoft.com/help/5002916 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002916 | Security Update for Microsoft Office 2016 (KB5002916) 32-Bit Edition | A security vulnerability exists in Microsoft Office 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5122775 | https://support.microsoft.com/help/5122775 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122775 | Security Update for SQL Server 2017 RTM GDR (KB5122775) | Security issues have been identified in the SQL Server 2017 RTM GDR that could allow an attacker to compromise your system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Microsoft SQL Server 2017 |
| KB5122774 | https://support.microsoft.com/help/5122774 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122774 | Security Update for SQL Server 2017 RTM CU (KB5122774) | Security issues have been identified in the SQL Server 2017 RTM CU that could allow an attacker to compromise your system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer. | n/a | Security Updates | Critical | Microsoft SQL Server 2017 |
| KB5002908 | https://support.microsoft.com/help/5002908 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002908 | Security Update for Microsoft SharePoint Server Subscription Edition (KB5002908) | A security vulnerability exists in Microsoft SharePoint Server Subscription Edition | n/a | Security Updates | Important | SharePoint Server Subscription Edition |
| KB5121611 | https://support.microsoft.com/help/5121611 | https://www.catalog.update.microsoft.com/Search.aspx?q=5121611 | Security Update for Microsoft SharePoint Server Subscription Edition (KB5002908) | A security vulnerability exists in Microsoft SharePoint Server Subscription Edition | n/a | Security Updates | Important | SharePoint Server Subscription Edition |
| KB5002912 | https://support.microsoft.com/help/5002912 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002912 | Security Update for Microsoft Access 2016 (KB5002912) 64-Bit Edition | A security vulnerability exists in Microsoft Access 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002912 | https://support.microsoft.com/help/5002912 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002912 | Security Update for Microsoft Access 2016 (KB5002912) 32-Bit Edition | A security vulnerability exists in Microsoft Access 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5126049 | https://support.microsoft.com/help/5126049 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126049 | 2026-09 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 for x64 (KB5126049) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows Server 2012 |
| KB5126047 | https://support.microsoft.com/help/5126047 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126047 | 2026-09 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 (KB5126047) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Important | Windows 10 |
| KB5126047 | https://support.microsoft.com/help/5126047 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126047 | 2026-09 Cumulative Update for .NET Framework 4.8 for Windows Server 2016 for x64 (KB5126047) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows Server 2016 |
| KB5126047 | https://support.microsoft.com/help/5126047 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126047 | 2026-09 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 for x64 (KB5126047) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows 10 |
| KB5126051 | https://support.microsoft.com/help/5126051 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126051 | 2026-09 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 for x64 (KB5126051) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows Server 2012 R2 |
| KB5126421 | https://support.microsoft.com/help/5126421 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126421 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5126421) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows 10 LTSB |
| KB5126421 | https://support.microsoft.com/help/5126421 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126421 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5126421) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows 10, version 1903 and later |
| KB5126421 | https://support.microsoft.com/help/5126421 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126421 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 (KB5126421) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Important | Windows 10, version 1903 and later |
| KB5126421 | https://support.microsoft.com/help/5126421 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126421 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 (KB5126421) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Important | Windows 10 LTSB |
| KB5126048 | https://support.microsoft.com/help/5126048 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126048 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 for x64 (KB5126048) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows 10 |
| KB5126048 | https://support.microsoft.com/help/5126048 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126048 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2019 for x64 (KB5126048) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows Server 2019 |
| KB5126048 | https://support.microsoft.com/help/5126048 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126048 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 (KB5126048) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Important | Windows 10 |
| KB5126050 | https://support.microsoft.com/help/5126050 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126050 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5126050) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Microsoft Server operating system-21H2 |
| KB5126046 | https://support.microsoft.com/help/5126046 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126046 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 (KB5126046) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Important | Windows 10, version 1903 and later |
| KB5126046 | https://support.microsoft.com/help/5126046 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126046 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for ARM64 (KB5126046) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | ARM64 | Security Updates | Important | Windows 10, version 1903 and later |
| KB5126046 | https://support.microsoft.com/help/5126046 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126046 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for x64 (KB5126046) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows 10, version 1903 and later |
| KB5126046 | https://support.microsoft.com/help/5126046 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126046 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for ARM64 (KB5126046) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | ARM64 | Security Updates | Important | Windows 10 LTSB |
| KB5126046 | https://support.microsoft.com/help/5126046 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126046 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 (KB5126046) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Important | Windows 10 LTSB |
| KB5126046 | https://support.microsoft.com/help/5126046 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126046 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for x64 (KB5126046) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows 10 LTSB |
| KB5126043 | https://support.microsoft.com/help/5126043 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126043 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for ARM64 (KB5126043) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | ARM64 | Security Updates | Important | Windows 10 |
| KB5126043 | https://support.microsoft.com/help/5126043 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126043 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 (KB5126043) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Important | Windows 10 |
| KB5126043 | https://support.microsoft.com/help/5126043 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126043 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for x64 (KB5126043) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows 10 |
| KB5126043 | https://support.microsoft.com/help/5126043 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126043 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 for x64 (KB5126043) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows Server 2019 |
| KB5126042 | https://support.microsoft.com/help/5126042 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126042 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for ARM64 (KB5126043) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | ARM64 | Security Updates | Important | Windows 10 |
| KB5126042 | https://support.microsoft.com/help/5126042 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126042 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 (KB5126043) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | X86 | Security Updates | Important | Windows 10 |
| KB5126042 | https://support.microsoft.com/help/5126042 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126042 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for x64 (KB5126043) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows 10 |
| KB5126042 | https://support.microsoft.com/help/5126042 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126042 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 for x64 (KB5126043) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows Server 2019 |
| KB5126044 | https://support.microsoft.com/help/5126044 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126044 | 2026-09 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 for x64 (KB5126044) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows Server 2012 |
| KB5126045 | https://support.microsoft.com/help/5126045 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126045 | 2026-09 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 R2 for x64 (KB5126045) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Windows Server 2012 R2 |
| KB5126053 | https://support.microsoft.com/help/5126053 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126053 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for arm64 (KB5126053) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 11 |
| KB5126053 | https://support.microsoft.com/help/5126053 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126053 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for x64 (KB5126053) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows Insider Pre-Release |
| KB5126422 | https://support.microsoft.com/help/5126422 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126422 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5126422) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | AMD64 | Security Updates | Important | Microsoft Server operating system-21H2 |
| KB5126052 | https://support.microsoft.com/help/5126052 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126052 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for arm64 (KB5126052) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 11 |
| KB5126052 | https://support.microsoft.com/help/5126052 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126052 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 (KB5126052) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 11 |
| KB5126052 | https://support.microsoft.com/help/5126052 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126052 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5126052) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 11 |
| KB5126052 | https://support.microsoft.com/help/5126052 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126052 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H2 for x64 (KB5126052) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows Insider Pre-Release |
| KB5126052 | https://support.microsoft.com/help/5126052 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126052 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for arm64 (KB5126052) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Microsoft Server Operating System-24H2 |
| KB5126052 | https://support.microsoft.com/help/5126052 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126052 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H2 for arm64 (KB5126052) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows Insider Pre-Release |
| KB5126052 | https://support.microsoft.com/help/5126052 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126052 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5126052) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Microsoft Server Operating System-24H2 |
| KB5126052 | https://support.microsoft.com/help/5126052 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126052 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 (KB5126052) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 11 |
| KB5126424 | https://support.microsoft.com/help/5126424 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126424 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for arm64 (KB5126424) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 11 |
| KB5126424 | https://support.microsoft.com/help/5126424 | https://www.catalog.update.microsoft.com/Search.aspx?q=5126424 | 2026-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5126424) | A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. | n/a | Security Updates | Critical | Windows 11 |
| KB5002913 | https://support.microsoft.com/help/5002913 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002913 | Security Update for Microsoft Office 2016 (KB5002913) 64-Bit Edition | A security vulnerability exists in Microsoft Office 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002913 | https://support.microsoft.com/help/5002913 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002913 | Security Update for Microsoft Office 2016 (KB5002913) 32-Bit Edition | A security vulnerability exists in Microsoft Office 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002919 | https://support.microsoft.com/help/5002919 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002919 | Security Update for Microsoft Outlook 2016 (KB5002919) 32-Bit Edition | A security vulnerability exists in Microsoft Outlook 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002919 | https://support.microsoft.com/help/5002919 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002919 | Security Update for Microsoft Outlook 2016 (KB5002919) 64-Bit Edition | A security vulnerability exists in Microsoft Outlook 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002920 | https://support.microsoft.com/help/5002920 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002920 | Security Update for Microsoft PowerPoint 2016 (KB5002920) 64-Bit Edition | A security vulnerability exists in Microsoft PowerPoint 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002920 | https://support.microsoft.com/help/5002920 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002920 | Security Update for Microsoft PowerPoint 2016 (KB5002920) 32-Bit Edition | A security vulnerability exists in Microsoft PowerPoint 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002644 | https://support.microsoft.com/help/5002644 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002644 | Security Update for Microsoft Publisher 2016 (KB5002644) 64-Bit Edition | A security vulnerability exists in Microsoft Publisher 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002644 | https://support.microsoft.com/help/5002644 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002644 | Security Update for Microsoft Publisher 2016 (KB5002644) 32-Bit Edition | A security vulnerability exists in Microsoft Publisher 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5123731 | https://support.microsoft.com/help/5123731 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123731 | Security Update for Microsoft Publisher 2016 (KB5002644) 64-Bit Edition | A security vulnerability exists in Microsoft Publisher 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5123731 | https://support.microsoft.com/help/5123731 | https://www.catalog.update.microsoft.com/Search.aspx?q=5123731 | Security Update for Microsoft Publisher 2016 (KB5002644) 32-Bit Edition | A security vulnerability exists in Microsoft Publisher 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB4011160 | https://support.microsoft.com/help/4011160 | https://www.catalog.update.microsoft.com/Search.aspx?q=4011160 | Security Update for Microsoft Office 2016 (KB4011160) 64-Bit Edition | A security vulnerability exists in Microsoft Office 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB4011160 | https://support.microsoft.com/help/4011160 | https://www.catalog.update.microsoft.com/Search.aspx?q=4011160 | Security Update for Microsoft Office 2016 (KB4011160) 32-Bit Edition | A security vulnerability exists in Microsoft Office 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002914 | https://support.microsoft.com/help/5002914 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002914 | Security Update for Microsoft Excel 2016 (KB5002914) 64-Bit Edition | A security vulnerability exists in Microsoft Excel 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002914 | https://support.microsoft.com/help/5002914 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002914 | Security Update for Microsoft Excel 2016 (KB5002914) 32-Bit Edition | A security vulnerability exists in Microsoft Excel 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002904 | https://support.microsoft.com/help/5002904 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002904 | Security Update for Microsoft Office 2016 (KB5002904) 64-Bit Edition | A security vulnerability exists in Microsoft Office 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002904 | https://support.microsoft.com/help/5002904 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002904 | Security Update for Microsoft Office 2016 (KB5002904) 32-Bit Edition | A security vulnerability exists in Microsoft Office 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002898 | https://support.microsoft.com/help/5002898 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002898 | Security Update for Microsoft Office 2016 (KB5002898) 64-Bit Edition | A security vulnerability exists in Microsoft Office 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002898 | https://support.microsoft.com/help/5002898 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002898 | Security Update for Microsoft Office 2016 (KB5002898) 32-Bit Edition | A security vulnerability exists in Microsoft Office 2016 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability. | n/a | Security Updates | Important | Office 2016 |
| KB5002910 | https://support.microsoft.com/help/5002910 | https://www.catalog.update.microsoft.com/Search.aspx?q=5002910 | Security Update for Microsoft Office Online Server (KB5002910) | A security vulnerability exists in Microsoft Office Online Server | n/a | Security Updates | Important | SharePoint Server 2019/Office Online Server |
| KB5122874 | https://support.microsoft.com/help/5122874 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122874 | 2026-09 Servicing Stack Update for Windows Server 2016 for x64-based Systems (KB5122874) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | AMD64 | Security Updates | Critical | Windows Server 2016 |
| KB5122874 | https://support.microsoft.com/help/5122874 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122874 | 2026-09 Servicing Stack Update for Windows 10 Version 1607 for x64-based Systems (KB5122874) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | AMD64 | Security Updates | Critical | Windows 10 |
| KB5122874 | https://support.microsoft.com/help/5122874 | https://www.catalog.update.microsoft.com/Search.aspx?q=5122874 | 2026-09 Servicing Stack Update for Windows 10 Version 1607 for x86-based Systems (KB5122874) | Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer. | X86 | Security Updates | Critical | Windows 10 |
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