Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...
Microsoft is rolling out "Secure Boot Allowed Key Exchange Key (KEK) Update," which requires a system reboot to finish ...
In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...
XDA Developers on MSN
Microsoft's Secure Boot certificates expire in June 2026, but older PCs may never get the fix
Make sure you've updated before the deadline.
Updated firmware trust chains strengthen rootkit protection and zero-trust infrastructure security.
Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.
Windows 10 KB5078885 ESU out with Secure Boot 2023, replacing expiring Secure Boot certificates from 2011. But it's a staged roll out.
Microsoft launches ReFS boot for Windows Server Insiders, bringing faster, more resilient, and scalable OS boot volumes for ...
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