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

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that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

The February Windows update preview is extensive. It includes new Secure Boot certificates and app and settings backups.

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 ...

Sometimes the features designed to keep our computers safe can put us most at risk thanks to a worrying security flaw that can be exploited by hackers in their attacks. As reported by BleepingComputer ...

Microsoft on Monday released a Secure Boot update ahead of the expiry of a root certificate first issued in 2011, warning ...

Updated firmware trust chains strengthen rootkit protection and zero-trust infrastructure security.

Microsoft's February Patch fixes 6 zero-days - but some Windows users shouldn't update yet ...

KB5077241 is now officially available, bringing Emoji 16.0, Sysmon integration, Secure Boot updates, and key Windows 11 ...

Microsoft will use standard Windows 11 updates to keep Secure Boot working on existing PCs as the operating system's original certificates near their end. The company says Secure Boot certificates ...

Microsoft's Secure Boot certificates expire in June and need to be replaced. Microsoft provides a guide for server admins.