Microsoft has issued an urgent out-of-band (OOB) update, designated KB5070773, to rectify a glitch in Windows 11 that rendered USB input devices, such as mice and keyboards, inoperative within the Windows Recovery Environment (WinRE). This problematic situation emerged following the release of the KB5066835 security update earlier this month. It impacted devices operating on Windows 11 versions 24H2, 25H2, as well as Windows Server 2025. The swift response from Microsoft aims to ensure users can maintain full functionality of their systems without disruption. Read on to learn more about how this update can affect your system and what steps you should take to implement it.