May 12, 2026—KB5087541 (OS Build 25398.2330)

May 12, 2026—KB5087541 OS Build 25398.2330 This cumulative update for Windows Server, version 23H2 KB5087541, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates,...

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April 8, 2025—KB5055519 (OS Build 17763.7136) - EXPIRED

April 8, 2025—KB5055519 OS Build 17763.7136 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. Support for Windows 10...

April 8, 2025—KB5055521 (OS Build 14393.7969)

April 8, 2025—KB5055521 OS Build 14393.7969 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1607, see its update history page. Important Windows updates do not install...

April 8, 2025—KB5055528 (OS Builds 22621.5189 and 22631.5189)

April 8, 2025—KB5055528 OS Builds 22621.5189 and 22631.5189 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 23H2, see its update history page. This month's video is ready for you on...

April 8, 2025—KB5055523 (OS Build 26100.3775)

April 8, 2025—KB5055523 OS Build 26100.3775 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 24H2, see its update history page. Be sure to follow @WindowsUpdate to find out when new...

April 8, 2025—KB5055526 (OS Build 20348.3453)

April 8, 2025—KB5055526 OS Build 20348.3453 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server 2022, see its update history page.Be sure to follow @WindowsUpdate to find out when new content is...

April 9, 2025—KB5055547 (OS Build 10240.20979) - EXPIRED

April 9, 2025—KB5055547 OS Build 10240.20979 - EXPIRED EXPIRATION NOTICEIMPORTANT As of January 27, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. --- Support for...

April 8, 2025—KB5055527 (OS Build 25398.1551)

April 8, 2025—KB5055527 OS Build 25398.1551 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server, version 23H2, see its update history page. Change log Change date| Change description ---|--- May...

March 11, 2025—KB5053618 (OS Build 10240.20947)

March 11, 2025—KB5053618 OS Build 10240.20947 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend...

March 11, 2025—KB5053599 (OS Build 25398.1486)

March 11, 2025—KB5053599 OS Build 25398.1486 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server, version 23H2, see its update history page. Improvements This security update includes quality...

March 11, 2025—KB5053888 (Monthly Rollup)

March 11, 2025—KB5053888 Monthly Rollup End of support information Support for Windows Server 2008 has ended Windows Server 2008 Premium Assurance ended on January 13, 2026.Windows Server 2008 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended Security Updates on Azur...

March 11, 2025—KB5053620 (Monthly Rollup)

March 11, 2025—KB5053620 Monthly Rollup End of support information Support for Windows Server 2008 R2 has ended Windows Server 2008 R2 Premium Assurance ended on January 13, 2026.Windows Server 2008 R2 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended Security Update...

March 11, 2025—KB5053603 (OS Build 20348.3328)

March 11, 2025—KB5053603 OS Build 20348.3328 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server 2022, see its update history page.Follow @WindowsUpdate to find out when new content is published...

March 11, 2025—KB5053596 (OS Build 17763.7009) - EXPIRED

March 11, 2025—KB5053596 OS Build 17763.7009 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. Support for Windows 1...

March 11, 2025—KB5053995 (Security-only update)

March 11, 2025—KB5053995 Security-only update End of support information Support for Windows Server 2008 has ended Windows Server 2008 Premium Assurance ended on January 13, 2026.Windows Server 2008 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended Security Updates o...

March 11, 2025—KB5053594 (OS Build 14393.7876)

March 11, 2025—KB5053594 OS Build 14393.7876 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend...

February 25, 2025—KB5052077 (OS Build 19045.5555) Preview

February 25, 2025—KB5052077 OS Build 19045.5555 Preview Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we...

April 9, 2024—KB5036909 (OS Build 20348.2402)

April 9, 2024—KB5036909 OS Build 20348.2402 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows Server 2022, see its update history page. Note Follow @WindowsUpdate to find out when n...

April 9, 2024—KB5036894 (OS Build 22000.2899)

April 9, 2024—KB5036894 OS Build 22000.2899 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 11, version 21H2, see its update history page. Note Follow @WindowsUpdate to find out...