
Microsoft has released the KB5059774 Safe OS Dynamic Update for Windows 11 versions 22H2 and 23H2 on May 27, 2025. This update focuses on enhancing the Windows Recovery Environment (WinRE), ensuring that systems can recover more effectively from issues during startup or system failures.
Key Highlights of KB5059774:
- WinRE Enhancements: The update introduces improvements to WinRE, aiming to provide a more robust recovery process for users encountering system issues.
- Setup Binary Corrections: It addresses and corrects issues within the setup binaries, facilitating smoother installation and upgrade processes.
- SafeOS Updates: The update includes enhancements to the SafeOS, which is utilized during the Windows recovery process, ensuring a more secure and reliable recovery environment.
The KB5059774 update is available through Windows Update and the Microsoft Update Catalog. It will be downloaded and installed automatically for systems configured to receive updates. Notably, this update does not require a system restart upon installation, minimizing disruption to users.
Verifying Installation:
To confirm the successful installation of this update, users can check the version of WinRE on their device. After applying KB5059774, the WinRE version should be updated accordingly. Microsoft provides a PowerShell script,
GetWinReVersion.ps1
, to assist users in retrieving the installed WinRE version. Running this script with administrative privileges will display the current WinRE version, confirming the update's application.File Information:
The English (United States) version of this update installs files with specific attributes. These files include updates to critical system components such as
skci.dll
, bootmgfw.efi
, bootmgr.efi
, and others. Each file has a designated version number, date, time, and file size, ensuring transparency and verifiability of the update's contents.References:
For a comprehensive understanding of the terminology used in Microsoft's software updates, users can refer to the standard terminology description provided by Microsoft.
In summary, the KB5059774 Safe OS Dynamic Update is a crucial release for Windows 11 versions 22H2 and 23H2, focusing on enhancing the system's recovery capabilities and overall stability. Users are encouraged to ensure their systems are updated to benefit from these improvements.
Source: Microsoft Support https://support.microsoft.com/en-us...-27-2025-76918659-0e0e-4730-b400-f81d644e9438