Knowledgebase Catalog

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KB# Last Updated Description
KB5078785 Mar 29, 2026 This update makes improvements to the Windows recovery environment (WinRE).
KB5078740 Mar 29, 2026 This cumulative update for Windows Server 2025 (KB5078740) includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. It addresses key issues related to Secure Boot, system services, and reliability. The update also…
KB5078822 Mar 29, 2026 This update makes improvements to the Windows recovery environment (WinRE). The update is only available from the Microsoft Update Catalog and is designed to improve the Windows recovery environment on Windows Server 2022 systems.
KB5077239 Mar 29, 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 introduces new features and enhancements for Copilot+ PCs and general Windows 11…
KB5081494 Mar 29, 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. The update is intended to help ensure a smooth and reliable setup process…
KB5077241 Mar 29, 2026 This non-security update for Windows 11, version 25H2 and 24H2 (KB5077241), improves functionality, performance, and reliability. The update includes new features and enhancements for Windows 11 PCs, such as AI-powered capabilities, continuous innovation, and performance improvements. It also addresses key…
KB5078794 Mar 29, 2026 This update makes improvements to the Windows recovery environment (WinRE).
KB5083990 Mar 29, 2026 This update makes improvements to Windows setup binaries or any files that setup uses for feature updates in Windows 11, version 26H1. It is designed to help ensure a smooth and reliable Windows 11 feature update process.
KB5078775 Mar 29, 2026 This update is the March 2026 monthly rollup for Windows Server 2012. It includes a variety of security improvements and quality enhancements to the internal Windows OS functionality. No specific issues are documented for this release, but it's important to…
KB5079391 Mar 29, 2026 This non-security update for Windows 11, version 25H2 and 24H2 (KB5079391), includes production-quality improvements. The update is available through two release phases: gradual rollout and normal rollout. A gradual rollout delivers an update in phases, so features reach devices over…
KB5078801 Mar 28, 2026 This update makes improvements to the Windows recovery environment (WinRE). The WinRE is a recovery environment that allows users to troubleshoot and repair their Windows operating system if it becomes unbootable or experiences other issues. This update specifically focuses on…
KB5078805 Mar 28, 2026 This update makes improvements to the Windows recovery environment (WinRE). The update is only available from the Microsoft Update Catalog and is not distributed through Windows Update. It replaces the previously released update KB5075909.
KB5079234 Mar 28, 2026 This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) make sure that you have a robust and reliable servicing stack so that your devices can receive and install…
KB5079473 Mar 28, 2026 This cumulative update for Windows 11, version 25H2 and 24H2 (KB5079473), includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. It addresses several key issues, including improvements to Secure Boot, File Explorer…
KB5081151 Mar 27, 2026 KB5081151 is a cumulative update for Windows 10 version 21H2 and Windows 11 version 21H2. This update addresses a number of security vulnerabilities and other issues that have been identified in the operating system. It is considered a standard monthly…
KB5074108 Feb 28, 2026 This update makes improvements to the Windows recovery environment (WinRE). The update is designed to help ensure that Windows devices can continue to boot securely after Secure Boot certificates used by most Windows devices expire starting in June 2026.
KB5073454 Feb 28, 2026 This update makes improvements to the Windows recovery environment (WinRE).
KB5073724 Feb 28, 2026 This Windows 10 security update for January 2026 includes several fixes and quality improvements. It addresses issues around credential autofill, removes certain modem drivers, and includes updates to the Secure Boot and WinSqlite3.dll components. However, the update has also introduced…
KB5074109 Feb 28, 2026 This cumulative update for Windows 11, version 25H2 and 24H2 (KB5074109), includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. It addresses several known issues, including problems with Outlook, Azure Virtual Desktop,…
KB5073932 Feb 28, 2026 This update makes improvements to the Windows recovery environment (WinRE).
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