Microsoft has swiftly responded to a critical issue by releasing an emergency out-of-band update, identified as KB5070773. This update is designed to tackle a troublesome bug in Windows 11 that rendered USB input devices, such as mice and keyboards, non-functional within the Windows Recovery Environment (WinRE). The problem emerged following the deployment of the KB5066835 security update earlier this month. It has been affecting systems operating on Windows 11 versions 24H2, 25H2, as well as Windows Server 2025. This urgent update underscores Microsoft’s commitment to maintaining seamless user experiences and addressing technical hiccups promptly.