Microsoft Releases Critical Updates for Windows 11 and Windows 10
This week, Microsoft rolled out its Patch Tuesday updates for both Windows 11 and Windows 10, identified by the KB numbers KB5055523, KB5055528, KB5055518, KB5055519, KB5055521, and KB5055547. Additionally, the tech giant provided out-of-band updates labeled as KB5058919, KB5058922, and KB5058921. These updates specifically address a Group Policy-related bug that affected enterprise users.
Dynamic Updates for All Supported Windows 11 Versions
Alongside the Patch Tuesday updates, Microsoft also introduced Dynamic updates applicable to all supported versions of Windows 11, including 24H2, 23H2, and 22H2, as well as Windows Server 2025. These Dynamic updates focus on enhancing the Windows Recovery capabilities by improving the Windows Recovery Environment (WinRE), often referred to as Safe OS updates.
Enhancements to Windows Recovery Environment
It is important to note that, while Dynamic updates typically improve the Setup binaries, this cycle did not release any Setup updates. However, the modifications that did roll out are significant:
KB5055671: Safe OS Dynamic Update for Windows 11, version 24H2 and Server 2025: April 8, 2025
Summary
This update enhances the Windows recovery environment for Windows 11, version 24H2 and Windows Server 2025.
…
KB5056789: Safe OS Dynamic Update for Windows 11, version 22H2 and 23H2: April 8, 2025
Summary
This update improves the Windows recovery environment for Windows 11, version 22H2 and 23H2.
Understanding Dynamic Update Packages
Dynamic Update packages are designed to be applied to existing Windows images before deployment. Microsoft elaborated on the details of these packages in a Tech Community blog post highlighting their multiple components and purposes.
When a feature update is initiated—whether through media or a Windows Update service—Dynamic Update becomes one of the first processes to execute. The Windows 10 Setup retrieves content from a Microsoft-hosted URL, incorporating these enhancements into the OS installation media. The key components fetched include:
- Setup Updates: Solutions to issues related to Setup binaries and essential files utilized for feature updates.
- Safe OS Updates: Enhancements for the “safe OS, ”which aids in the updating of the Windows Recovery Environment (WinRE).
Importantly, Dynamic Update preserves Language Pack (LP) and Features on Demand (FODs) content during the upgrade, ensuring these elements remain intact post-update completion.
Accessing Updates Manually
Users can also acquire the WinRE updates manually via the Microsoft Update Catalog at the following links: KB5055671 and KB5056789. However, it is important to note that these updates are automatically provided through the Windows Update channel.
For further details and images, please refer to the source: Source&Images
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