Microsoft is taking its time with the boot certificate rollout, but you don't have to. Activate the latest UEFI CA 2023 right ...

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 ...

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that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

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 ...

Get ye to Windows Update, because there's a good chance you've got new Secure Boot certificates to install. Microsoft just announced that it will be refreshing those certificates, which were ...