The Cybersecurity & Infrastructure Security Agency (CISA) is now advising federal agencies and others to patch a Windows flaw ... (PIV)/Common Access Card (CAC) certificates for authentication.

Microsoft's scheduled security update for Windows includes a fix to a potentially dangerous bug that would allow an attacker to spoof a certificate ... and urge users to patch quickly before ...

This patch does require a reboot, and Microsoft notes it will address all of the issues from the expired certificate, including the accounts page in Windows 11 with S mode failing to load.