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KB5077181 is causing devices to restart over 15 times in an infinite loop. Users also report network issues and error codes.
Microsoft releases KB5077178, KB5077180, and KB5077374 with WinRE upgrades, Secure Boot updates, and Dynamic Setup improvements.
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.
Microsoft has blocked credential autofill on Windows 11 to address CVE-2026-20804, a Windows Hello vulnerability allowing biometric injection attacks.