Microsoft recently released an urgent out-of-band update, identified as KB5070773, aimed at fixing a critical bug in Windows 11. This glitch had been causing USB input devices, such as mice and keyboards, to malfunction within the Windows Recovery Environment (WinRE). The problem emerged following the deployment of the KB5066835 security update earlier this month and impacted devices running Windows 11 versions 24H2, 25H2, as well as Windows Server 2025.
This sudden issue led to significant inconvenience for users relying on USB peripherals to navigate and troubleshoot within WinRE. In response to user feedback and the pressing nature of the problem, Microsoft acted swiftly to develop and release this targeted update. The KB5070773 patch is designed to restore full functionality to affected systems, ensuring that users can once again utilize their USB devices without interruption.
If you are operating one of the impacted versions, it is crucial to apply this update promptly to avoid potential headaches and ensure your system runs smoothly. Microsoft’s rapid response highlights the importance of staying up-to-date with system updates to mitigate unforeseen technical issues.