Knowledgebase Catalog

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KB# Last Updated Description
KB5081276 Apr 29, 2026 KB5081276 represents the March 10, 2026 servicing update for .NET 10.0, delivering critical security enhancements and maintenance improvements to the .NET runtime environment. This update is part of Microsoft's ongoing commitment to maintaining the security and stability of the .NET…
KB5078794 Apr 29, 2026 KB5078794 is a Safe OS Dynamic Update for Windows Server 2025 released on March 10, 2026. This update specifically targets improvements to the Windows Recovery Environment (WinRE), which is a critical component responsible for system recovery and troubleshooting operations. The…
KB5078884 Apr 29, 2026 KB5078884 is a Safe OS Dynamic Update for Windows 10 versions 21H2 and 22H2, released on March 10, 2026. This update specifically targets the Windows Recovery Environment (WinRE), which is a critical component responsible for system recovery and troubleshooting operations.…
KB5078766 Apr 28, 2026 KB5078766 is a cumulative security and quality update for Windows Server 2022, released on March 10, 2026, with OS Build 20348.4893. This update represents the monthly rollup of security fixes and improvements, incorporating quality enhancements from the previous months' optional…
KB5078734 Apr 28, 2026 KB5078734 is a cumulative security update for Windows Server, version 23H2, released on March 10, 2026, with OS Build 25398.2207. This update consolidates the latest security fixes and quality improvements from the previous month's optional preview release (KB5075897 from February…
KB5075912 Mar 31, 2026 This update for Windows 10 was released on February 10, 2026 and addresses security issues and quality improvements. It includes fixes and updates that were part of previous releases, such as KB5073724, KB5077796, and KB5078129. The update is applicable to…
KB5077373 Mar 31, 2026 This update makes improvements to Windows setup binaries or any files that setup uses for feature updates. It is designed to ensure a smooth and reliable installation process for the upcoming Windows Server, version 23H2 release scheduled for February 10,…
KB5075909 Mar 31, 2026 This update makes improvements to the Windows recovery environment (WinRE). It is available for Windows 10, version 1809 and Windows Server 2019. The update will be automatically downloaded and installed through Windows Update. Alternatively, the standalone package can be downloaded…
KB5077864 Mar 31, 2026 .NET 9.0 has been refreshed with the latest update as of February 10, 2026. This update contains security fixes. The latest servicing update for 9.0 will remove the previous 9.0 update upon successful installation. For example, when the .NET 9.0.13…
KB5077862 Mar 31, 2026 .NET 10.0 has been refreshed with the latest update as of February 10, 2026. This update contains security fixes. The .NET 10.0 servicing updates are upgrades, and the latest servicing update for 10.0 will remove the previous 10.0 update upon…
KB5075897 Mar 31, 2026 This cumulative update for Windows Server, version 23H2 (KB5075897) includes the latest security fixes and improvements, along with non-security updates from the previous month's optional preview release. It addresses several issues related to File Explorer, Fonts & Display, Graphics, and…
KB5077179 Mar 31, 2026 This cumulative update for Windows 11, version 26H1 (KB5077179), includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. The update addresses several issues, including a problem with certain GPU configurations that could…
KB5076122 Mar 31, 2026 This update makes improvements to the Windows recovery environment (WinRE).
KB5075944 Mar 31, 2026 KB5075944: Cumulative security update for Internet Explorer: February 10, 2026 This security update resolves vulnerabilities in Internet Explorer. To learn more about these vulnerabilities, see Deployments | Security Update Guide. Additionally, see the following articles for more information about cumulative…
KB5079271 Mar 31, 2026 This update makes improvements to Windows setup binaries or any files that setup uses for feature updates in Windows 11, version 24H2 and Windows 11, version 25H2.
KB5075971 Mar 31, 2026 This security update for Windows Server 2012 includes miscellaneous security improvements to the internal Windows OS functionality. The update is part of the February 2026 Cumulative Monthly Rollup (KB5073698) and addresses various security vulnerabilities. No specific issues are documented for…
KB5077181 Mar 31, 2026 This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. It addresses a variety of issues, including problems with gaming, networking, and…
KB5077239 Mar 31, 2026 This non-security update for Windows 11, version 26H1 (KB5077239), includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. The update is available through two release phases: gradual rollout and normal rollout. A…
KB5077180 Mar 31, 2026 This update makes improvements to the Windows recovery environment (WinRE).
KB5075902 Mar 31, 2026 This servicing stack update (SSU) makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates make sure that you have a robust and reliable servicing stack so that your devices can receive…
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