A Windows 11 security update released in mid‑October 2025 (KB5066835, OS build 26100.6899) has introduced a serious regression: USB keyboards and mice can become completely unresponsive inside the Windows Recovery Environment (WinRE), leaving users unable to navigate recovery menus when they...
kb5066835
known issue rollback
patch tuesday
recovery environment
recovery media
recovery tools
usbinput
windows 11
windows 11 kb5066835
windows eleven
winrewinreusbinput
Microsoft’s October 2025 cumulative security update for Windows 11 — KB5066835 — is rolling out now, shipping important security fixes plus a modest set of user-facing improvements (including a new lightweight terminal editor “Edit,” File Explorer “AI Actions,” multi‑monitor Notification Center...
ai actions
http sys regression
iis problems
kb5066835
known issue rollback
localhost http2
office end of support
offline deployment
patch tuesday
recovery environment
recovery tools
security update
security updates
servicing update
taskbar issues
windows 10 esu
windows 11
windows 11 ai
windows 11 update
windows update
winrewinreusbinput
