Microsoft Issues Emergency Windows 11 Update KB5070773
Today, Microsoft addressed a critical issue affecting USB keyboards and mice in Windows 11 with the release of the emergency update KB5070773. This issue arose during recovery attempts on versions 25H2 and 24H2, where users found their USB input devices rendered unusable. The root of the problem traces back to the Windows Recovery Environment (WinRE) update, KB5067039, deployed alongside the October 2025 Patch Tuesday (KB5066835).
Fast Response with New WinRE Update
In a commendable effort, Microsoft has introduced an additional update for WinRE alongside KB5070773. This out-of-band (OOB) update quickly remedies the problems users encountered, ensuring a smoother recovery experience.
Understanding Dynamic Updates
Microsoft’s Dynamic Update packages are crucial for enhancing existing Windows images before their deployment. These packages encompass essential fixes, such as updates to Setup.exe binaries and improvements for SafeOS within the Windows Recovery Environment. They also safeguard Language Pack (LP) and Features on Demand (FODs) content throughout the upgrade process. Notably, VBScript is listed as an FOD for Windows 11 version 24H2.
Summary of the Update
KB5070762: This key update enhances the Windows Recovery Environment for both Windows 11 versions 24H2 and 25H2, as well as for Windows Server 2025. Here are the critical improvements:
- [USB] Resolved an issue where USB devices—specifically keyboards and mice—became unresponsive in the Windows Recovery Environment (WinRE) following the installation of the October 14, 2025 security update. This malfunction impeded navigation through recovery options in WinRE, although USB devices functioned correctly during regular Windows operations.
Installation Instructions
Microsoft assures users that the update will be automatically downloaded and installed. However, manual installation is possible via the Microsoft Update Catalog. You can access the catalog by visiting the following link.
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