Patches Released
Critical Severity
Important Severity
Moderate Severity
Low Severity
April Patch Tuesday Releases
April 2026 Release Notes
Microsoft Patches Released
Below is a list of patches released by Microsoft April, 2026.
articleID supportURL UpdateName Description Architecture Classification Severity SupportedProducts
KB5082123 https://support.microsoft.com/help/5082123 https://www.catalog.update.microsoft.com/Search.aspx?q=5082123 2026-04 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5082123) 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
KB5082123 https://support.microsoft.com/help/5082123 https://www.catalog.update.microsoft.com/Search.aspx?q=5082123 2026-04 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5082123) 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
KB5082123 https://support.microsoft.com/help/5082123 https://www.catalog.update.microsoft.com/Search.aspx?q=5082123 2026-04 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5082123) 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
KB5082142 https://support.microsoft.com/help/5082142 https://www.catalog.update.microsoft.com/Search.aspx?q=5082142 2026-04 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5082142) 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
KB5082200 https://support.microsoft.com/help/5082200 https://www.catalog.update.microsoft.com/Search.aspx?q=5082200 2026-04 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5082200) 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
KB5082200 https://support.microsoft.com/help/5082200 https://www.catalog.update.microsoft.com/Search.aspx?q=5082200 2026-04 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5082200) 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
KB5082200 https://support.microsoft.com/help/5082200 https://www.catalog.update.microsoft.com/Search.aspx?q=5082200 2026-04 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5082200) 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
KB5082200 https://support.microsoft.com/help/5082200 https://www.catalog.update.microsoft.com/Search.aspx?q=5082200 2026-04 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems (KB5082200) 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
KB5082200 https://support.microsoft.com/help/5082200 https://www.catalog.update.microsoft.com/Search.aspx?q=5082200 2026-04 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5082200) 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
KB5082200 https://support.microsoft.com/help/5082200 https://www.catalog.update.microsoft.com/Search.aspx?q=5082200 2026-04 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5082200) 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
KB5082200 https://support.microsoft.com/help/5082200 https://www.catalog.update.microsoft.com/Search.aspx?q=5082200 2026-04 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5082200) 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
KB5082200 https://support.microsoft.com/help/5082200 https://www.catalog.update.microsoft.com/Search.aspx?q=5082200 2026-04 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5082200) 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
KB5082200 https://support.microsoft.com/help/5082200 https://www.catalog.update.microsoft.com/Search.aspx?q=5082200 2026-04 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5082200) 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
KB5082063 https://support.microsoft.com/help/5082063 https://www.catalog.update.microsoft.com/Search.aspx?q=5082063 2026-04 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5082063) (26100.32690) 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
KB5083769 https://support.microsoft.com/help/5083769 https://www.catalog.update.microsoft.com/Search.aspx?q=5083769 2026-04 Cumulative Update for Windows 11 Version 24H2 for x64-based Systems (KB5083769) (26100.8246) 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
KB5083769 https://support.microsoft.com/help/5083769 https://www.catalog.update.microsoft.com/Search.aspx?q=5083769 2026-04 Cumulative Update for Windows 11, version 25H2 for arm64-based Systems (KB5083769) (26200.8246) 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
KB5083769 https://support.microsoft.com/help/5083769 https://www.catalog.update.microsoft.com/Search.aspx?q=5083769 2026-04 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5083769) (26200.8246) 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
KB5083769 https://support.microsoft.com/help/5083769 https://www.catalog.update.microsoft.com/Search.aspx?q=5083769 2026-04 Cumulative Update for Windows 11 Version 24H2 for arm64-based Systems (KB5083769) (26100.8246) 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
KB5082052 https://support.microsoft.com/help/5082052 https://www.catalog.update.microsoft.com/Search.aspx?q=5082052 2026-04 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems (KB5082052) 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
KB5082052 https://support.microsoft.com/help/5082052 https://www.catalog.update.microsoft.com/Search.aspx?q=5082052 2026-04 Cumulative Update for Windows 11 Version 23H2 for arm64-based Systems (KB5082052) 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
KB5082060 https://support.microsoft.com/help/5082060 https://www.catalog.update.microsoft.com/Search.aspx?q=5082060 2026-04 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5082060) Install this update to resolve issues in Microsoft server operating system, version 23H2. 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-23H2
KB5083768 https://support.microsoft.com/help/5083768 https://www.catalog.update.microsoft.com/Search.aspx?q=5083768 2026-04 Cumulative Update for Windows 11, Version 26H1 for arm64-based Systems (KB5083768) (28000.1836) 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
KB5083768 https://support.microsoft.com/help/5083768 https://www.catalog.update.microsoft.com/Search.aspx?q=5083768 2026-04 Cumulative Update for Windows 11, Version 26H1 for x64-based Systems (KB5083768) (28000.1836) 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
KB5082198 https://support.microsoft.com/help/5082198 https://www.catalog.update.microsoft.com/Search.aspx?q=5082198 2026-04 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5082198) 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
KB5082198 https://support.microsoft.com/help/5082198 https://www.catalog.update.microsoft.com/Search.aspx?q=5082198 2026-04 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5082198) 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
KB5082198 https://support.microsoft.com/help/5082198 https://www.catalog.update.microsoft.com/Search.aspx?q=5082198 2026-04 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5082198) 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
KB5082127 https://support.microsoft.com/help/5082127 https://www.catalog.update.microsoft.com/Search.aspx?q=5082127 2026-04 Security Monthly Quality Rollup for Windows Server 2012 for x64-based Systems (KB5082127) 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
KB5082126 https://support.microsoft.com/help/5082126 https://www.catalog.update.microsoft.com/Search.aspx?q=5082126 2026-04 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5082126) 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
KB5002861 https://support.microsoft.com/help/5002861 https://www.catalog.update.microsoft.com/Search.aspx?q=5002861 Security Update for Microsoft SharePoint Enterprise Server 2016 (KB5002861) A security vulnerability exists in Microsoft SharePoint Enterprise Server 2016 n/a Security Updates Important Office 2016
KB5002862 https://support.microsoft.com/help/5002862 https://www.catalog.update.microsoft.com/Search.aspx?q=5002862 Security Update for Microsoft SharePoint Enterprise Server 2016 (KB5002862) A security vulnerability exists in Microsoft SharePoint Enterprise Server 2016 n/a Security Updates Important Office 2016
KB5002854 https://support.microsoft.com/help/5002854 https://www.catalog.update.microsoft.com/Search.aspx?q=5002854 Security Update for Microsoft SharePoint Server 2019 Core (KB5002854) A security vulnerability exists in Microsoft SharePoint Server 2019 Core n/a Security Updates Important SharePoint Server 2019/Office Online Server
KB5002856 https://support.microsoft.com/help/5002856 https://www.catalog.update.microsoft.com/Search.aspx?q=5002856 Security Update for Microsoft SharePoint Server 2019 Language Pack (KB5002856) A security vulnerability exists in Microsoft SharePoint Server 2019 Language Pack n/a Security Updates Important SharePoint Server 2019/Office Online Server
KB5002853 https://support.microsoft.com/help/5002853 https://www.catalog.update.microsoft.com/Search.aspx?q=5002853 Security Update for Microsoft SharePoint Server Subscription Edition (KB5002853) A security vulnerability exists in Microsoft SharePoint Server Subscription Edition n/a Security Updates Important SharePoint Server Subscription Edition
KB5083245 https://support.microsoft.com/help/5083245 https://www.catalog.update.microsoft.com/Search.aspx?q=5083245 Security Update for SQL Server 2025 RTM CU (KB5083245) 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 Important Microsoft SQL Server 2025
KB5083252 https://support.microsoft.com/help/5083252 https://www.catalog.update.microsoft.com/Search.aspx?q=5083252 Security Update for SQL Server 2022 RTM CU (KB5083252) 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 Important Microsoft SQL Server 2022
KB5084819 https://support.microsoft.com/help/5084819 https://www.catalog.update.microsoft.com/Search.aspx?q=5084819 Security Update for SQL Server 2017 RTM GDR (KB5084819) 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 Important Microsoft SQL Server 2017
KB5084817 https://support.microsoft.com/help/5084817 https://www.catalog.update.microsoft.com/Search.aspx?q=5084817 Security Update for SQL Server 2019 RTM GDR (KB5084817) 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 Important Microsoft SQL Server 2019
KB5084821 https://support.microsoft.com/help/5084821 https://www.catalog.update.microsoft.com/Search.aspx?q=5084821 Security Update for SQL Server 2016 Service Pack 3 GDR (KB5084821) Security issues have been identified in the SQL Server 2016 Service Pack 3 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 Important Microsoft SQL Server 2016
KB5084820 https://support.microsoft.com/help/5084820 https://www.catalog.update.microsoft.com/Search.aspx?q=5084820 Security Update for SQL Server 2016 Service Pack 3 CU (KB5084820) Security issues have been identified in the SQL Server 2016 Service Pack 3 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 Important Microsoft SQL Server 2016
KB5084815 https://support.microsoft.com/help/5084815 https://www.catalog.update.microsoft.com/Search.aspx?q=5084815 Security Update for SQL Server 2022 RTM GDR (KB5084815) 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 Important Microsoft SQL Server 2022
KB5084818 https://support.microsoft.com/help/5084818 https://www.catalog.update.microsoft.com/Search.aspx?q=5084818 Security Update for SQL Server 2017 RTM CU (KB5084818) 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 Important Microsoft SQL Server 2017
KB5084814 https://support.microsoft.com/help/5084814 https://www.catalog.update.microsoft.com/Search.aspx?q=5084814 Security Update for SQL Server 2025 RTM GDR (KB5084814) 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 Important Microsoft SQL Server 2025
KB5084816 https://support.microsoft.com/help/5084816 https://www.catalog.update.microsoft.com/Search.aspx?q=5084816 Security Update for SQL Server 2019 RTM CU (KB5084816) 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 Important Microsoft SQL Server 2019
KB5086095 https://support.microsoft.com/help/5086095 https://www.catalog.update.microsoft.com/Search.aspx?q=5086095 2026-04 .NET 10.0.6 Security Update for ARM64 Client (KB5086095) 2026-04 .NET 10.0.6 Security Update for ARM64 Client (KB5086095) ARM64 Security Updates Important .NET 10.0
KB5086095 https://support.microsoft.com/help/5086095 https://www.catalog.update.microsoft.com/Search.aspx?q=5086095 2026-04 .NET 10.0.6 Security Update for x64 Client (KB5086095) 2026-04 .NET 10.0.6 Security Update for x64 Client (KB5086095) AMD64 Security Updates Important .NET 10.0
KB5086095 https://support.microsoft.com/help/5086095 https://www.catalog.update.microsoft.com/Search.aspx?q=5086095 2026-04 .NET 10.0.6 Security Update for x64 Server (KB5086095) 2026-04 .NET 10.0.6 Security Update for x64 Server (KB5086095) AMD64 Security Updates Important .NET 10.0
KB5086095 https://support.microsoft.com/help/5086095 https://www.catalog.update.microsoft.com/Search.aspx?q=5086095 2026-04 .NET 10.0.6 Security Update for x86 Client (KB5086095) 2026-04 .NET 10.0.6 Security Update for x86 Client (KB5086095) X86 Security Updates Important .NET 10.0
KB5086096 https://support.microsoft.com/help/5086096 https://www.catalog.update.microsoft.com/Search.aspx?q=5086096 2026-04 .NET 8.0.26 Security Update for x64 Server (KB5086096) 2026-04 .NET 8.0.26 Security Update for x64 Server (KB5086096) AMD64 Security Updates Important .NET 8.0
KB5086096 https://support.microsoft.com/help/5086096 https://www.catalog.update.microsoft.com/Search.aspx?q=5086096 2026-04 .NET 8.0.26 Security Update for x86 Client (KB5086096) 2026-04 .NET 8.0.26 Security Update for x86 Client (KB5086096) X86 Security Updates Important .NET 8.0
KB5086096 https://support.microsoft.com/help/5086096 https://www.catalog.update.microsoft.com/Search.aspx?q=5086096 2026-04 .NET 8.0.26 Security Update for x64 Client (KB5086096) 2026-04 .NET 8.0.26 Security Update for x64 Client (KB5086096) AMD64 Security Updates Important .NET 8.0
KB5086096 https://support.microsoft.com/help/5086096 https://www.catalog.update.microsoft.com/Search.aspx?q=5086096 2026-04 .NET 8.0.26 Security Update for ARM64 Client (KB5086096) 2026-04 .NET 8.0.26 Security Update for ARM64 Client (KB5086096) ARM64 Security Updates Important .NET 8.0
KB5086097 https://support.microsoft.com/help/5086097 https://www.catalog.update.microsoft.com/Search.aspx?q=5086097 2026-04 .NET 9.0.15 Security Update for x86 Client (KB5086097) 2026-04 .NET 9.0.15 Security Update for x86 Client (KB5086097) X86 Security Updates Important .NET 9.0
KB5086097 https://support.microsoft.com/help/5086097 https://www.catalog.update.microsoft.com/Search.aspx?q=5086097 2026-04 .NET 9.0.15 Security Update for x64 Server (KB5086097) 2026-04 .NET 9.0.15 Security Update for x64 Server (KB5086097) AMD64 Security Updates Important .NET 9.0
KB5086097 https://support.microsoft.com/help/5086097 https://www.catalog.update.microsoft.com/Search.aspx?q=5086097 2026-04 .NET 9.0.15 Security Update for ARM64 Client (KB5086097) 2026-04 .NET 9.0.15 Security Update for ARM64 Client (KB5086097) ARM64 Security Updates Important .NET 9.0
KB5086097 https://support.microsoft.com/help/5086097 https://www.catalog.update.microsoft.com/Search.aspx?q=5086097 2026-04 .NET 9.0.15 Security Update for x64 Client (KB5086097) 2026-04 .NET 9.0.15 Security Update for x64 Client (KB5086097) AMD64 Security Updates Important .NET 9.0
KB5002855 https://support.microsoft.com/help/5002855 https://www.catalog.update.microsoft.com/Search.aspx?q=5002855 Security Update for Microsoft Office Online Server (KB5002855) A security vulnerability exists in Microsoft Office Online Server n/a Security Updates Important SharePoint Server 2019/Office Online Server
KB5002860 https://support.microsoft.com/help/5002860 https://www.catalog.update.microsoft.com/Search.aspx?q=5002860 Security Update for Microsoft Excel 2016 (KB5002860) 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
KB5002860 https://support.microsoft.com/help/5002860 https://www.catalog.update.microsoft.com/Search.aspx?q=5002860 Security Update for Microsoft Excel 2016 (KB5002860) 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
KB5082411 https://support.microsoft.com/help/5082411 https://www.catalog.update.microsoft.com/Search.aspx?q=5082411 2026-04 Cumulative Update for .NET Framework 4.8 for Windows Server 2016 for x64 (KB5082411) 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
KB5082411 https://support.microsoft.com/help/5082411 https://www.catalog.update.microsoft.com/Search.aspx?q=5082411 2026-04 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 for x64 (KB5082411) 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
KB5082411 https://support.microsoft.com/help/5082411 https://www.catalog.update.microsoft.com/Search.aspx?q=5082411 2026-04 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 (KB5082411) 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
KB5082403 https://support.microsoft.com/help/5082403 https://www.catalog.update.microsoft.com/Search.aspx?q=5082403 2026-04 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 for x64 (KB5082403) 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
KB5082404 https://support.microsoft.com/help/5082404 https://www.catalog.update.microsoft.com/Search.aspx?q=5082404 2026-04 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 for x64 (KB5082404) 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
KB5082414 https://support.microsoft.com/help/5082414 https://www.catalog.update.microsoft.com/Search.aspx?q=5082414 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 for x64 (KB5082414) 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
KB5082414 https://support.microsoft.com/help/5082414 https://www.catalog.update.microsoft.com/Search.aspx?q=5082414 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2019 for x64 (KB5082414) 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
KB5082414 https://support.microsoft.com/help/5082414 https://www.catalog.update.microsoft.com/Search.aspx?q=5082414 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 (KB5082414) 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
KB5082426 https://support.microsoft.com/help/5082426 https://www.catalog.update.microsoft.com/Search.aspx?q=5082426 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for ARM64 (KB5082426) 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
KB5082426 https://support.microsoft.com/help/5082426 https://www.catalog.update.microsoft.com/Search.aspx?q=5082426 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for x64 (KB5082426) 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
KB5082426 https://support.microsoft.com/help/5082426 https://www.catalog.update.microsoft.com/Search.aspx?q=5082426 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for x64 (KB5082426) 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
KB5082426 https://support.microsoft.com/help/5082426 https://www.catalog.update.microsoft.com/Search.aspx?q=5082426 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 (KB5082426) 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
KB5082426 https://support.microsoft.com/help/5082426 https://www.catalog.update.microsoft.com/Search.aspx?q=5082426 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for ARM64 (KB5082426) 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
KB5082426 https://support.microsoft.com/help/5082426 https://www.catalog.update.microsoft.com/Search.aspx?q=5082426 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 (KB5082426) 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
KB5082413 https://support.microsoft.com/help/5082413 https://www.catalog.update.microsoft.com/Search.aspx?q=5082413 2026-04 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for ARM64 (KB5082413) 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
KB5082413 https://support.microsoft.com/help/5082413 https://www.catalog.update.microsoft.com/Search.aspx?q=5082413 2026-04 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 for x64 (KB5082413) 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
KB5082413 https://support.microsoft.com/help/5082413 https://www.catalog.update.microsoft.com/Search.aspx?q=5082413 2026-04 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 (KB5082413) 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
KB5082413 https://support.microsoft.com/help/5082413 https://www.catalog.update.microsoft.com/Search.aspx?q=5082413 2026-04 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for x64 (KB5082413) 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
KB5082421 https://support.microsoft.com/help/5082421 https://www.catalog.update.microsoft.com/Search.aspx?q=5082421 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for arm64 (KB5082421) 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
KB5082421 https://support.microsoft.com/help/5082421 https://www.catalog.update.microsoft.com/Search.aspx?q=5082421 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for x64 (KB5082421) 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
KB5082417 https://support.microsoft.com/help/5082417 https://www.catalog.update.microsoft.com/Search.aspx?q=5082417 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5082417) 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
KB5082417 https://support.microsoft.com/help/5082417 https://www.catalog.update.microsoft.com/Search.aspx?q=5082417 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 (KB5082417) 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
KB5082417 https://support.microsoft.com/help/5082417 https://www.catalog.update.microsoft.com/Search.aspx?q=5082417 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 (KB5082417) 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
KB5082417 https://support.microsoft.com/help/5082417 https://www.catalog.update.microsoft.com/Search.aspx?q=5082417 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for arm64 (KB5082417) 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
KB5082427 https://support.microsoft.com/help/5082427 https://www.catalog.update.microsoft.com/Search.aspx?q=5082427 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5082427) 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
KB5082400 https://support.microsoft.com/help/5082400 https://www.catalog.update.microsoft.com/Search.aspx?q=5082400 2026-04 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 for x64 (KB5082400) 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
KB5082402 https://support.microsoft.com/help/5082402 https://www.catalog.update.microsoft.com/Search.aspx?q=5082402 2026-04 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 (KB5082402) 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
KB5082425 https://support.microsoft.com/help/5082425 https://www.catalog.update.microsoft.com/Search.aspx?q=5082425 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5082425) 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
KB5082419 https://support.microsoft.com/help/5082419 https://www.catalog.update.microsoft.com/Search.aspx?q=5082419 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 (KB5082419) 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
KB5082419 https://support.microsoft.com/help/5082419 https://www.catalog.update.microsoft.com/Search.aspx?q=5082419 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5082419) 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
KB5082419 https://support.microsoft.com/help/5082419 https://www.catalog.update.microsoft.com/Search.aspx?q=5082419 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5082419) 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
KB5082419 https://support.microsoft.com/help/5082419 https://www.catalog.update.microsoft.com/Search.aspx?q=5082419 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 (KB5082419) 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
KB5082424 https://support.microsoft.com/help/5082424 https://www.catalog.update.microsoft.com/Search.aspx?q=5082424 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for arm64 (KB5082424) 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
KB5082424 https://support.microsoft.com/help/5082424 https://www.catalog.update.microsoft.com/Search.aspx?q=5082424 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5082424) 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
KB5082418 https://support.microsoft.com/help/5082418 https://www.catalog.update.microsoft.com/Search.aspx?q=5082418 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 (KB5082418) 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-23H2
KB5082420 https://support.microsoft.com/help/5082420 https://www.catalog.update.microsoft.com/Search.aspx?q=5082420 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5082420) 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
KB5082420 https://support.microsoft.com/help/5082420 https://www.catalog.update.microsoft.com/Search.aspx?q=5082420 2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for arm64 (KB5082420) 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
KB5082398 https://support.microsoft.com/help/5082398 https://www.catalog.update.microsoft.com/Search.aspx?q=5082398 2026-04 Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 for x64 (KB5082398) 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
KB5073723 https://support.microsoft.com/help/5073723 https://www.catalog.update.microsoft.com/Search.aspx?q=5073723 2026-01 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5073723) 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
KB5073723 https://support.microsoft.com/help/5073723 https://www.catalog.update.microsoft.com/Search.aspx?q=5073723 2026-01 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5073723) 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
KB5073723 https://support.microsoft.com/help/5073723 https://www.catalog.update.microsoft.com/Search.aspx?q=5073723 2026-01 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5073723) 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
KB5073457 https://support.microsoft.com/help/5073457 https://www.catalog.update.microsoft.com/Search.aspx?q=5073457 2026-01 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5073457) 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 Microsoft Server operating system-21H2
KB5073724 https://support.microsoft.com/help/5073724 https://www.catalog.update.microsoft.com/Search.aspx?q=5073724 2026-01 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems (KB5073724) 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. ARM64 Security Updates Critical Windows 10, version 1903 and later
KB5073724 https://support.microsoft.com/help/5073724 https://www.catalog.update.microsoft.com/Search.aspx?q=5073724 2026-01 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5073724) 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 LTSB
KB5073724 https://support.microsoft.com/help/5073724 https://www.catalog.update.microsoft.com/Search.aspx?q=5073724 2026-01 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5073724) 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 LTSB
KB5073724 https://support.microsoft.com/help/5073724 https://www.catalog.update.microsoft.com/Search.aspx?q=5073724 2026-01 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5073724) 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, version 1903 and later
KB5073724 https://support.microsoft.com/help/5073724 https://www.catalog.update.microsoft.com/Search.aspx?q=5073724 2026-01 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5073724) 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, version 1903 and later
KB5073724 https://support.microsoft.com/help/5073724 https://www.catalog.update.microsoft.com/Search.aspx?q=5073724 2026-01 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5073724) 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
KB5073724 https://support.microsoft.com/help/5073724 https://www.catalog.update.microsoft.com/Search.aspx?q=5073724 2026-01 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5073724) 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
KB5073724 https://support.microsoft.com/help/5073724 https://www.catalog.update.microsoft.com/Search.aspx?q=5073724 2026-01 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5073724) 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. ARM64 Security Updates Critical Windows 10 LTSB
KB5073724 https://support.microsoft.com/help/5073724 https://www.catalog.update.microsoft.com/Search.aspx?q=5073724 2026-01 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5073724) 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
KB5073379 https://support.microsoft.com/help/5073379 https://www.catalog.update.microsoft.com/Search.aspx?q=5073379 2026-01 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5073379) (26100.32230) 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
KB5074109 https://support.microsoft.com/help/5074109 https://www.catalog.update.microsoft.com/Search.aspx?q=5074109 2026-01 Cumulative Update for Windows 11 Version 24H2 for x64-based Systems (KB5074109) (26100.7623) 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
KB5074109 https://support.microsoft.com/help/5074109 https://www.catalog.update.microsoft.com/Search.aspx?q=5074109 2026-01 Cumulative Update for Windows 11, version 25H2 for arm64-based Systems (KB5074109) (26200.7623) 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
KB5074109 https://support.microsoft.com/help/5074109 https://www.catalog.update.microsoft.com/Search.aspx?q=5074109 2026-01 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5074109) (26200.7623) 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
KB5074109 https://support.microsoft.com/help/5074109 https://www.catalog.update.microsoft.com/Search.aspx?q=5074109 2026-01 Cumulative Update for Windows 11 Version 24H2 for arm64-based Systems (KB5074109) (26100.7623) 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
KB5073455 https://support.microsoft.com/help/5073455 https://www.catalog.update.microsoft.com/Search.aspx?q=5073455 2026-01 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems (KB5073455) 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
KB5073455 https://support.microsoft.com/help/5073455 https://www.catalog.update.microsoft.com/Search.aspx?q=5073455 2026-01 Cumulative Update for Windows 11 Version 23H2 for arm64-based Systems (KB5073455) 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
KB5073450 https://support.microsoft.com/help/5073450 https://www.catalog.update.microsoft.com/Search.aspx?q=5073450 2026-01 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5073450) Install this update to resolve issues in Microsoft server operating system, version 23H2. 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-23H2
KB5073722 https://support.microsoft.com/help/5073722 https://www.catalog.update.microsoft.com/Search.aspx?q=5073722 2026-01 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5073722) 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
KB5073722 https://support.microsoft.com/help/5073722 https://www.catalog.update.microsoft.com/Search.aspx?q=5073722 2026-01 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5073722) 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
KB5073722 https://support.microsoft.com/help/5073722 https://www.catalog.update.microsoft.com/Search.aspx?q=5073722 2026-01 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5073722) 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
KB5082406 https://support.microsoft.com/help/5082406 https://www.catalog.update.microsoft.com/Search.aspx?q=5082406 2026-04 Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 for x64 (KB5082406) 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
KB5082806 https://support.microsoft.com/help/5082806 https://www.catalog.update.microsoft.com/Search.aspx?q=5082806 2026-04 Cumulative Security Update for Internet Explorer 11 for Windows Server 2012 R2 for x64-based systems (KB5082806) 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 Moderate Windows Server 2012 R2
KB5082806 https://support.microsoft.com/help/5082806 https://www.catalog.update.microsoft.com/Search.aspx?q=5082806 2026-04 Cumulative Security Update for Internet Explorer 11 for Windows Server 2012 for x64-based systems (KB5082806) 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 Moderate Windows Server 2012
KB5002859 https://support.microsoft.com/help/5002859 https://www.catalog.update.microsoft.com/Search.aspx?q=5002859 Security Update for Microsoft Office 2016 (KB5002859) 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
KB5002859 https://support.microsoft.com/help/5002859 https://www.catalog.update.microsoft.com/Search.aspx?q=5002859 Security Update for Microsoft Office 2016 (KB5002859) 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
KB5002808 https://support.microsoft.com/help/5002808 https://www.catalog.update.microsoft.com/Search.aspx?q=5002808 Security Update for Microsoft PowerPoint 2016 (KB5002808) 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
KB5002808 https://support.microsoft.com/help/5002808 https://www.catalog.update.microsoft.com/Search.aspx?q=5002808 Security Update for Microsoft PowerPoint 2016 (KB5002808) 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
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