Microsoft Patches Released

Below is a list of patches released by Microsoft May, 2026.

articleIDsupportURLUpdateNameDescriptionArchitectureClassificationSeveritySupportedProducts
KB5093446https://support.microsoft.com/help/5093446https://www.catalog.update.microsoft.com/Search.aspx?q=50934462026-05 .NET 10.0.8 Security Update for x86 Client (KB5093446)2026-05 .NET 10.0.8 Security Update for x86 Client (KB5093446)X86Security UpdatesImportant.NET 10.0
KB5093446https://support.microsoft.com/help/5093446https://www.catalog.update.microsoft.com/Search.aspx?q=50934462026-05 .NET 10.0.8 Security Update for ARM64 Client (KB5093446)2026-05 .NET 10.0.8 Security Update for ARM64 Client (KB5093446)ARM64Security UpdatesImportant.NET 10.0
KB5093446https://support.microsoft.com/help/5093446https://www.catalog.update.microsoft.com/Search.aspx?q=50934462026-05 .NET 10.0.8 Security Update for x64 Client (KB5093446)2026-05 .NET 10.0.8 Security Update for x64 Client (KB5093446)AMD64Security UpdatesImportant.NET 10.0
KB5093446https://support.microsoft.com/help/5093446https://www.catalog.update.microsoft.com/Search.aspx?q=50934462026-05 .NET 10.0.8 Security Update for x64 Server (KB5093446)2026-05 .NET 10.0.8 Security Update for x64 Server (KB5093446)AMD64Security UpdatesImportant.NET 10.0
KB5093447https://support.microsoft.com/help/5093447https://www.catalog.update.microsoft.com/Search.aspx?q=50934472026-05 .NET 8.0.27 Security Update for x64 Server (KB5093447)2026-05 .NET 8.0.27 Security Update for x64 Server (KB5093447)AMD64Security UpdatesImportant.NET 8.0
KB5093447https://support.microsoft.com/help/5093447https://www.catalog.update.microsoft.com/Search.aspx?q=50934472026-05 .NET 8.0.27 Security Update for x64 Client (KB5093447)2026-05 .NET 8.0.27 Security Update for x64 Client (KB5093447)AMD64Security UpdatesImportant.NET 8.0
KB5093447https://support.microsoft.com/help/5093447https://www.catalog.update.microsoft.com/Search.aspx?q=50934472026-05 .NET 8.0.27 Security Update for x86 Client (KB5093447)2026-05 .NET 8.0.27 Security Update for x86 Client (KB5093447)X86Security UpdatesImportant.NET 8.0
KB5093447https://support.microsoft.com/help/5093447https://www.catalog.update.microsoft.com/Search.aspx?q=50934472026-05 .NET 8.0.27 Security Update for ARM64 Client (KB5093447)2026-05 .NET 8.0.27 Security Update for ARM64 Client (KB5093447)ARM64Security UpdatesImportant.NET 8.0
KB5093448https://support.microsoft.com/help/5093448https://www.catalog.update.microsoft.com/Search.aspx?q=50934482026-05 .NET 9.0.16 Security Update for x64 Client (KB5093448)2026-05 .NET 9.0.16 Security Update for x64 Client (KB5093448)AMD64Security UpdatesImportant.NET 9.0
KB5093448https://support.microsoft.com/help/5093448https://www.catalog.update.microsoft.com/Search.aspx?q=50934482026-05 .NET 9.0.16 Security Update for x64 Server (KB5093448)2026-05 .NET 9.0.16 Security Update for x64 Server (KB5093448)AMD64Security UpdatesImportant.NET 9.0
KB5093448https://support.microsoft.com/help/5093448https://www.catalog.update.microsoft.com/Search.aspx?q=50934482026-05 .NET 9.0.16 Security Update for ARM64 Client (KB5093448)2026-05 .NET 9.0.16 Security Update for ARM64 Client (KB5093448)ARM64Security UpdatesImportant.NET 9.0
KB5093448https://support.microsoft.com/help/5093448https://www.catalog.update.microsoft.com/Search.aspx?q=50934482026-05 .NET 9.0.16 Security Update for x86 Client (KB5093448)2026-05 .NET 9.0.16 Security Update for x86 Client (KB5093448)X86Security UpdatesImportant.NET 9.0
KB5087065https://support.microsoft.com/help/5087065https://www.catalog.update.microsoft.com/Search.aspx?q=50870652026-05 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 for x64 (KB5087065)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.AMD64Security UpdatesImportantWindows 10
KB5087065https://support.microsoft.com/help/5087065https://www.catalog.update.microsoft.com/Search.aspx?q=50870652026-05 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 (KB5087065)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.X86Security UpdatesImportantWindows 10
KB5087065https://support.microsoft.com/help/5087065https://www.catalog.update.microsoft.com/Search.aspx?q=50870652026-05 Cumulative Update for .NET Framework 4.8 for Windows Server 2016 for x64 (KB5087065)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.AMD64Security UpdatesImportantWindows Server 2016
KB5087067https://support.microsoft.com/help/5087067https://www.catalog.update.microsoft.com/Search.aspx?q=50870672026-05 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 for x64 (KB5087067)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.AMD64Security UpdatesImportantWindows Server 2012
KB5087069https://support.microsoft.com/help/5087069https://www.catalog.update.microsoft.com/Search.aspx?q=50870692026-05 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 for x64 (KB5087069)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.AMD64Security UpdatesImportantWindows Server 2012 R2
KB5087066https://support.microsoft.com/help/5087066https://www.catalog.update.microsoft.com/Search.aspx?q=50870662026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2019 for x64 (KB5087066)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.AMD64Security UpdatesImportantWindows Server 2019
KB5087066https://support.microsoft.com/help/5087066https://www.catalog.update.microsoft.com/Search.aspx?q=50870662026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 (KB5087066)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.X86Security UpdatesImportantWindows 10
KB5087066https://support.microsoft.com/help/5087066https://www.catalog.update.microsoft.com/Search.aspx?q=50870662026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 for x64 (KB5087066)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.AMD64Security UpdatesImportantWindows 10
KB5087068https://support.microsoft.com/help/5087068https://www.catalog.update.microsoft.com/Search.aspx?q=50870682026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5087068)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.AMD64Security UpdatesImportantMicrosoft Server operating system-21H2
KB5087064https://support.microsoft.com/help/5087064https://www.catalog.update.microsoft.com/Search.aspx?q=50870642026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for ARM64 (KB5087064)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.ARM64Security UpdatesImportantWindows 10 LTSB
KB5087064https://support.microsoft.com/help/5087064https://www.catalog.update.microsoft.com/Search.aspx?q=50870642026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 (KB5087064)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.X86Security UpdatesImportantWindows 10, version 1903 and later
KB5087064https://support.microsoft.com/help/5087064https://www.catalog.update.microsoft.com/Search.aspx?q=50870642026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 (KB5087064)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.X86Security UpdatesImportantWindows 10 LTSB
KB5087064https://support.microsoft.com/help/5087064https://www.catalog.update.microsoft.com/Search.aspx?q=50870642026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for ARM64 (KB5087064)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.ARM64Security UpdatesImportantWindows 10, version 1903 and later
KB5087064https://support.microsoft.com/help/5087064https://www.catalog.update.microsoft.com/Search.aspx?q=50870642026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for x64 (KB5087064)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.AMD64Security UpdatesImportantWindows 10, version 1903 and later
KB5087064https://support.microsoft.com/help/5087064https://www.catalog.update.microsoft.com/Search.aspx?q=50870642026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for x64 (KB5087064)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.AMD64Security UpdatesImportantWindows 10 LTSB
KB5087061https://support.microsoft.com/help/5087061https://www.catalog.update.microsoft.com/Search.aspx?q=50870612026-05 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for ARM64 (KB5087061)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.ARM64Security UpdatesImportantWindows 10
KB5087061https://support.microsoft.com/help/5087061https://www.catalog.update.microsoft.com/Search.aspx?q=50870612026-05 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 for x64 (KB5087061)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.AMD64Security UpdatesImportantWindows Server 2019
KB5087061https://support.microsoft.com/help/5087061https://www.catalog.update.microsoft.com/Search.aspx?q=50870612026-05 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 (KB5087061)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.X86Security UpdatesImportantWindows 10
KB5087061https://support.microsoft.com/help/5087061https://www.catalog.update.microsoft.com/Search.aspx?q=50870612026-05 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for x64 (KB5087061)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.AMD64Security UpdatesImportantWindows 10
KB5087062https://support.microsoft.com/help/5087062https://www.catalog.update.microsoft.com/Search.aspx?q=50870622026-05 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 for x64 (KB5087062)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.AMD64Security UpdatesImportantWindows Server 2012
KB5087063https://support.microsoft.com/help/5087063https://www.catalog.update.microsoft.com/Search.aspx?q=50870632026-05 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 (KB5087063)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.AMD64Security UpdatesImportantWindows Server 2012 R2
KB5087059https://support.microsoft.com/help/5087059https://www.catalog.update.microsoft.com/Search.aspx?q=50870592026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5087059)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.AMD64Security UpdatesImportantMicrosoft Server operating system-21H2
KB5087053https://support.microsoft.com/help/5087053https://www.catalog.update.microsoft.com/Search.aspx?q=50870532026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 (KB5087053)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.X86Security UpdatesImportantWindows 10 LTSB
KB5087053https://support.microsoft.com/help/5087053https://www.catalog.update.microsoft.com/Search.aspx?q=50870532026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5087053)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.AMD64Security UpdatesImportantWindows 10, version 1903 and later
KB5087053https://support.microsoft.com/help/5087053https://www.catalog.update.microsoft.com/Search.aspx?q=50870532026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 (KB5087053)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.X86Security UpdatesImportantWindows 10, version 1903 and later
KB5087053https://support.microsoft.com/help/5087053https://www.catalog.update.microsoft.com/Search.aspx?q=50870532026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5087053)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.AMD64Security UpdatesImportantWindows 10 LTSB
KB5087058https://support.microsoft.com/help/5087058https://www.catalog.update.microsoft.com/Search.aspx?q=50870582026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5087058)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/aSecurity UpdatesCriticalWindows 11
KB5087058https://support.microsoft.com/help/5087058https://www.catalog.update.microsoft.com/Search.aspx?q=50870582026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for arm64 (KB5087058)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/aSecurity UpdatesCriticalWindows 11
KB5087051https://support.microsoft.com/help/5087051https://www.catalog.update.microsoft.com/Search.aspx?q=50870512026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 (KB5087051)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/aSecurity UpdatesCriticalWindows 11
KB5087051https://support.microsoft.com/help/5087051https://www.catalog.update.microsoft.com/Search.aspx?q=50870512026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for arm64 (KB5087051)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/aSecurity UpdatesCriticalMicrosoft Server Operating System-24H2
KB5087051https://support.microsoft.com/help/5087051https://www.catalog.update.microsoft.com/Search.aspx?q=50870512026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5087051)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/aSecurity UpdatesCriticalMicrosoft Server Operating System-24H2
KB5087051https://support.microsoft.com/help/5087051https://www.catalog.update.microsoft.com/Search.aspx?q=50870512026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 (KB5087051)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/aSecurity UpdatesCriticalWindows 11
KB5087055https://support.microsoft.com/help/5087055https://www.catalog.update.microsoft.com/Search.aspx?q=50870552026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for x64 (KB5087055)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/aSecurity UpdatesCriticalWindows Insider Pre-Release
KB5087055https://support.microsoft.com/help/5087055https://www.catalog.update.microsoft.com/Search.aspx?q=50870552026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for arm64 (KB5087055)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/aSecurity UpdatesCriticalWindows 11
KB5087054https://support.microsoft.com/help/5087054https://www.catalog.update.microsoft.com/Search.aspx?q=50870542026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5087054)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/aSecurity UpdatesCriticalWindows 11
KB5087054https://support.microsoft.com/help/5087054https://www.catalog.update.microsoft.com/Search.aspx?q=50870542026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for arm64 (KB5087054)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/aSecurity UpdatesCriticalWindows 11
KB5087048https://support.microsoft.com/help/5087048https://www.catalog.update.microsoft.com/Search.aspx?q=50870482026-05 Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 for x64 (KB5087048)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.AMD64Security UpdatesImportantWindows Server 2012
KB5087049https://support.microsoft.com/help/5087049https://www.catalog.update.microsoft.com/Search.aspx?q=50870492026-05 Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 for x64 (KB5087049)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.AMD64Security UpdatesImportantWindows Server 2012 R2
KB5087538https://support.microsoft.com/help/5087538https://www.catalog.update.microsoft.com/Search.aspx?q=50875382026-05 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5087538)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.AMD64Security UpdatesCriticalWindows 10 LTSB
KB5087538https://support.microsoft.com/help/5087538https://www.catalog.update.microsoft.com/Search.aspx?q=50875382026-05 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5087538)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.X86Security UpdatesCriticalWindows 10 LTSB
KB5087538https://support.microsoft.com/help/5087538https://www.catalog.update.microsoft.com/Search.aspx?q=50875382026-05 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5087538)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.AMD64Security UpdatesCriticalWindows Server 2019
KB5087545https://support.microsoft.com/help/5087545https://www.catalog.update.microsoft.com/Search.aspx?q=50875452026-05 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5087545)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.AMD64Security UpdatesCriticalMicrosoft Server operating system-21H2
KB5087544https://support.microsoft.com/help/5087544https://www.catalog.update.microsoft.com/Search.aspx?q=50875442026-05 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5087544)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/aSecurity UpdatesCriticalWindows 10 and later GDR-DU
KB5087544https://support.microsoft.com/help/5087544https://www.catalog.update.microsoft.com/Search.aspx?q=50875442026-05 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5087544)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/aSecurity UpdatesCriticalWindows 10 and later GDR-DU
KB5087544https://support.microsoft.com/help/5087544https://www.catalog.update.microsoft.com/Search.aspx?q=50875442026-05 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5087544)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.AMD64Security UpdatesCriticalWindows 10 LTSB
KB5087544https://support.microsoft.com/help/5087544https://www.catalog.update.microsoft.com/Search.aspx?q=50875442026-05 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5087544)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.X86Security UpdatesCriticalWindows 10, version 1903 and later
KB5087544https://support.microsoft.com/help/5087544https://www.catalog.update.microsoft.com/Search.aspx?q=50875442026-05 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5087544)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.AMD64Security UpdatesCriticalWindows 10, version 1903 and later
KB5087544https://support.microsoft.com/help/5087544https://www.catalog.update.microsoft.com/Search.aspx?q=50875442026-05 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5087544)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.X86Security UpdatesCriticalWindows 10 LTSB
KB5087544https://support.microsoft.com/help/5087544https://www.catalog.update.microsoft.com/Search.aspx?q=50875442026-05 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5087544)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/aSecurity UpdatesCriticalWindows 10 and later GDR-DU
KB5087544https://support.microsoft.com/help/5087544https://www.catalog.update.microsoft.com/Search.aspx?q=50875442026-05 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems (KB5087544)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.ARM64Security UpdatesCriticalWindows 10, version 1903 and later
KB5087544https://support.microsoft.com/help/5087544https://www.catalog.update.microsoft.com/Search.aspx?q=50875442026-05 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5087544)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.ARM64Security UpdatesCriticalWindows 10 LTSB
KB5087539https://support.microsoft.com/help/5087539https://www.catalog.update.microsoft.com/Search.aspx?q=50875392026-05 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5087539) (26100.32860)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/aSecurity UpdatesCriticalMicrosoft Server Operating System-24H2
KB5089549https://support.microsoft.com/help/5089549https://www.catalog.update.microsoft.com/Search.aspx?q=50895492026-05 Cumulative Update for Windows 11, version 25H2 for arm64-based Systems (KB5089549) (26200.8457)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/aSecurity UpdatesCriticalWindows 11
KB5089549https://support.microsoft.com/help/5089549https://www.catalog.update.microsoft.com/Search.aspx?q=50895492026-05 Cumulative Update for Windows 11, version 24H2 for x64-based Systems (KB5089549) (26100.8457)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/aSecurity UpdatesCriticalWindows 11
KB5089549https://support.microsoft.com/help/5089549https://www.catalog.update.microsoft.com/Search.aspx?q=50895492026-05 Cumulative Update for Windows 11, version 24H2 for arm64-based Systems (KB5089549) (26100.8457)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/aSecurity UpdatesCriticalWindows 11
KB5089549https://support.microsoft.com/help/5089549https://www.catalog.update.microsoft.com/Search.aspx?q=50895492026-05 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5089549) (26200.8457)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/aSecurity UpdatesCriticalWindows 11
KB5087420https://support.microsoft.com/help/5087420https://www.catalog.update.microsoft.com/Search.aspx?q=50874202026-05 Cumulative Update for Windows 11, version 23H2 for x64-based Systems (KB5087420)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/aSecurity UpdatesCriticalWindows 11
KB5087420https://support.microsoft.com/help/5087420https://www.catalog.update.microsoft.com/Search.aspx?q=50874202026-05 Cumulative Update for Windows 11, version 23H2 for arm64-based Systems (KB5087420)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/aSecurity UpdatesCriticalWindows 11
KB5087541https://support.microsoft.com/help/5087541https://www.catalog.update.microsoft.com/Search.aspx?q=50875412026-05 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5087541)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/aSecurity UpdatesCriticalMicrosoft Server Operating System-23H2
KB5089548https://support.microsoft.com/help/5089548https://www.catalog.update.microsoft.com/Search.aspx?q=50895482026-05 Cumulative Update for Windows 11, version 26H1 for x64-based Systems (KB5089548) (28000.2113)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/aSecurity UpdatesCriticalWindows Insider Pre-Release
KB5089548https://support.microsoft.com/help/5089548https://www.catalog.update.microsoft.com/Search.aspx?q=50895482026-05 Cumulative Update for Windows 11, version 26H1 for arm64-based Systems (KB5089548) (28000.2113)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/aSecurity UpdatesCriticalWindows 11
KB5087537https://support.microsoft.com/help/5087537https://www.catalog.update.microsoft.com/Search.aspx?q=50875372026-05 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5087537)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.AMD64Security UpdatesCriticalWindows 10
KB5087537https://support.microsoft.com/help/5087537https://www.catalog.update.microsoft.com/Search.aspx?q=50875372026-05 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5087537)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.AMD64Security UpdatesCriticalWindows Server 2016
KB5087537https://support.microsoft.com/help/5087537https://www.catalog.update.microsoft.com/Search.aspx?q=50875372026-05 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5087537)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.X86Security UpdatesCriticalWindows 10
KB5087470https://support.microsoft.com/help/5087470https://www.catalog.update.microsoft.com/Search.aspx?q=50874702026-05 Security Monthly Quality Rollup for Windows Server 2012 for x64-based Systems (KB5087470)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.AMD64Security UpdatesCriticalWindows Server 2012
KB5087471https://support.microsoft.com/help/5087471https://www.catalog.update.microsoft.com/Search.aspx?q=50874712026-05 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5087471)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.AMD64Security UpdatesCriticalWindows Server 2012 R2
KB5002868https://support.microsoft.com/help/5002868https://www.catalog.update.microsoft.com/Search.aspx?q=5002868Security Update for Microsoft SharePoint Enterprise Server 2016 (KB5002868)A security vulnerability exists in Microsoft SharePoint Enterprise Server 2016n/aSecurity UpdatesImportantOffice 2016
KB5002870https://support.microsoft.com/help/5002870https://www.catalog.update.microsoft.com/Search.aspx?q=5002870Security Update for Microsoft SharePoint Server 2019 Core (KB5002870)A security vulnerability exists in Microsoft SharePoint Server 2019 Coren/aSecurity UpdatesImportantSharePoint Server 2019/Office Online Server
KB5002863https://support.microsoft.com/help/5002863https://www.catalog.update.microsoft.com/Search.aspx?q=5002863Security Update for Microsoft SharePoint Server Subscription Edition (KB5002863)A security vulnerability exists in Microsoft SharePoint Server Subscription Editionn/aSecurity UpdatesImportantSharePoint Server Subscription Edition
KB5002858https://support.microsoft.com/help/5002858https://www.catalog.update.microsoft.com/Search.aspx?q=5002858Security Update for Microsoft Word 2016 (KB5002858) 64-Bit EditionA 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/aSecurity UpdatesImportantOffice 2016
KB5002858https://support.microsoft.com/help/5002858https://www.catalog.update.microsoft.com/Search.aspx?q=5002858Security Update for Microsoft Word 2016 (KB5002858) 32-Bit EditionA 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/aSecurity UpdatesImportantOffice 2016
KB5002871https://support.microsoft.com/help/5002871https://www.catalog.update.microsoft.com/Search.aspx?q=5002871Security Update for Microsoft Office Online Server (KB5002871)A security vulnerability exists in Microsoft Office Online Servern/aSecurity UpdatesImportantSharePoint Server 2019/Office Online Server
KB5002865https://support.microsoft.com/help/5002865https://www.catalog.update.microsoft.com/Search.aspx?q=5002865Security Update for Microsoft Excel 2016 (KB5002865) 64-Bit EditionA 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/aSecurity UpdatesImportantOffice 2016
KB5002865https://support.microsoft.com/help/5002865https://www.catalog.update.microsoft.com/Search.aspx?q=5002865Security Update for Microsoft Excel 2016 (KB5002865) 32-Bit EditionA 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/aSecurity UpdatesImportantOffice 2016
KB5002866https://support.microsoft.com/help/5002866https://www.catalog.update.microsoft.com/Search.aspx?q=5002866Security Update for Microsoft Office 2016 (KB5002866) 32-Bit EditionA 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/aSecurity UpdatesImportantOffice 2016
KB5002866https://support.microsoft.com/help/5002866https://www.catalog.update.microsoft.com/Search.aspx?q=5002866Security Update for Microsoft Office 2016 (KB5002866) 64-Bit EditionA 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/aSecurity UpdatesImportantOffice 2016
KB5002869https://support.microsoft.com/help/5002869https://www.catalog.update.microsoft.com/Search.aspx?q=5002869Security Update for Microsoft SharePoint Enterprise Server 2016 (KB5002869)A security vulnerability exists in Microsoft SharePoint Enterprise Server 2016n/aSecurity UpdatesImportantOffice 2016
KB5002872https://support.microsoft.com/help/5002872https://www.catalog.update.microsoft.com/Search.aspx?q=5002872Security Update for Microsoft SharePoint Server 2019 Language Pack (KB5002872)A security vulnerability exists in Microsoft SharePoint Server 2019 Language Packn/aSecurity UpdatesImportantSharePoint Server 2019/Office Online Server
KB5089899https://support.microsoft.com/help/5089899https://www.catalog.update.microsoft.com/Search.aspx?q=5089899Security Update for SQL Server 2025 RTM CU (KB5089899)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/aSecurity UpdatesImportantMicrosoft SQL Server 2025
KB5089900https://support.microsoft.com/help/5089900https://www.catalog.update.microsoft.com/Search.aspx?q=5089900Security Update for SQL Server 2022 RTM CU (KB5089900)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/aSecurity UpdatesImportantMicrosoft SQL Server 2022
KB5090347https://support.microsoft.com/help/5090347https://www.catalog.update.microsoft.com/Search.aspx?q=5090347Security Update for SQL Server 2017 RTM GDR (KB5090347)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/aSecurity UpdatesImportantMicrosoft SQL Server 2017
KB5090408https://support.microsoft.com/help/5090408https://www.catalog.update.microsoft.com/Search.aspx?q=5090408Security Update for SQL Server 2019 RTM GDR (KB5090408)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/aSecurity UpdatesImportantMicrosoft SQL Server 2019
KB5089271https://support.microsoft.com/help/5089271https://www.catalog.update.microsoft.com/Search.aspx?q=5089271Security Update for SQL Server 2016 Service Pack 3 GDR (KB5089271)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/aSecurity UpdatesCriticalMicrosoft SQL Server 2016
KB5089270https://support.microsoft.com/help/5089270https://www.catalog.update.microsoft.com/Search.aspx?q=5089270Security Update for SQL Server 2016 Service Pack 3 CU (KB5089270)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/aSecurity UpdatesImportantMicrosoft SQL Server 2016
KB5090354https://support.microsoft.com/help/5090354https://www.catalog.update.microsoft.com/Search.aspx?q=5090354Security Update for SQL Server 2017 RTM CU (KB5090354)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/aSecurity UpdatesImportantMicrosoft SQL Server 2017
KB5091158https://support.microsoft.com/help/5091158https://www.catalog.update.microsoft.com/Search.aspx?q=5091158Security Update for SQL Server 2022 RTM GDR (KB5091158)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/aSecurity UpdatesImportantMicrosoft SQL Server 2022
KB5091223https://support.microsoft.com/help/5091223https://www.catalog.update.microsoft.com/Search.aspx?q=5091223Security Update for SQL Server 2025 RTM GDR (KB5091223)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/aSecurity UpdatesImportantMicrosoft SQL Server 2025
KB5090407https://support.microsoft.com/help/5090407https://www.catalog.update.microsoft.com/Search.aspx?q=5090407Security Update for SQL Server 2019 RTM CU (KB5090407)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/aSecurity UpdatesImportantMicrosoft SQL Server 2019

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