Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2, according to a report by BleepingComputer. Update: As of March 9th, ...

Microsoft is rolling out "Secure Boot Allowed Key Exchange Key (KEK) Update," which requires a system reboot to finish ...

Microsoft had, for some odd reason, decided to delete a key piece of information about a crucial Windows 11/10 update that you must install.

Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.

The Key Exchange Key (KEK) acts as an authority that allows Microsoft to update the other databases, like the DB and DBX that ...

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 ...

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

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that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.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

Windows 11’s March 2026 update is shaping up to be one of the more substantial mid‑cycle refreshes, with nine new features and changes.

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 ...