Microsoft has released an emergency update for Windows 11 to fix a serious problem caused by its latest monthly update.

The issue, introduced with the October 14th release, broke the Windows Recovery Environment (WinRE), preventing users from using a USB mouse or keyboard to recover or factory reset their PCs.

Since the recovery environment is essential for troubleshooting and restoring Windows, the bug left many users unable to perform basic recovery tasks. Microsoft quickly responded by rolling out an out-of-band update — KB5070773 — which was released yesterday. This patch restores USB input functionality in WinRE for systems running the latest Windows 11 versions, 24H2 and 25H2.

Out-of-band updates like this are rare and usually reserved for critical security or system-breaking issues. The company previously issued a similar emergency fix in June after a May security update caused certain PCs to enter the recovery environment and fail to boot properly.


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