Knowledgebase Catalog

April 2026

KB#Last UpdatedDescription
KB5077864Mar 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…
KB5077862Mar 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…
KB5075897Mar 31, 2026This 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…
KB5077179Mar 31, 2026This 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…
KB5076122Mar 31, 2026This update makes improvements to the Windows recovery environment (WinRE).
KB5075944Mar 31, 2026KB5075944: 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…
KB5079271Mar 31, 2026This 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.
KB5075971Mar 31, 2026This 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…
KB5077181Mar 31, 2026This 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…
KB5077239Mar 31, 2026This 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…
KB5078885Mar 31, 2026This update for Windows 10 versions 22H2 and 21H2 includes several improvements and fixes. It addresses a stability issue affecting certain GPU configurations, adds a warning dialog for System Image Manager to confirm trusted catalog files, and improves File History…
KB5077180Mar 31, 2026This update makes improvements to the Windows recovery environment (WinRE).
KB5075902Mar 31, 2026This 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…
KB5075910Mar 31, 2026This update makes improvements to the Windows recovery environment (WinRE).
KB5075907Mar 31, 2026This update makes improvements to the Windows recovery environment (WinRE). It is a Safe OS Dynamic Update for Windows Server, version 23H2 that is scheduled to be released on February 10, 2026. The update focuses on enhancing the functionality and…
KB5075899Mar 31, 2026This cumulative update for Windows Server 2025 (KB5075899), 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, optional non-security preview updates, out-of-band (OOB) updates,…
KB5079463Mar 31, 2026This update makes improvements to the Windows recovery environment (WinRE).
KB5078822Mar 31, 2026This update makes improvements to the Windows Recovery Environment (WinRE). It is part of the ongoing efforts to prepare for the expiration of the Windows Secure Boot certificates used by most Windows devices, which is scheduled to occur starting in…
KB5078169Mar 31, 2026The KB5078169 update is a Safe OS Dynamic Update for Windows 11 Version 26H1. This update is intended to provide critical security and stability improvements for Windows 11 systems. The update is available for both x64-based and arm64-based systems.
KB5078801Mar 31, 2026KB5078801 is a cumulative update for Windows 11 that was released on March 14, 2023. This update includes a variety of improvements and bug fixes for the Windows 11 operating system. The update is designed to improve the overall stability,…
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