February 2026 Patch Tuesday restricts Windows credential autofill to fix a Windows Hello input injection flaw (CVE-2026-20804).
Microsoft has blocked credential autofill on Windows 11 to address CVE-2026-20804, a Windows Hello vulnerability allowing biometric injection attacks.
KB5077181 is causing devices to restart over 15 times in an infinite loop. Users also report network issues and error codes.
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Services like airport screening could suffer if the shutdown drags on.
Microsoft's KB5077181 security update has caused endless restart loops and system lockouts for Windows 11 users, with no official fix released as of February 13.