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.
Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.
In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.
TL;DR: Secure Boot certificates in Windows 10 and 11 will expire by June 2026, risking system security and compatibility. Microsoft is issuing new certificates through updates and OEM firmware ...
In brief: Secure Boot was originally introduced with Windows 8 as a firmware-based security feature designed to protect the OS from potentially malicious boot code. After more than 15 years, the ...
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