Get ye to Windows Update, because there's a good chance you've got new Secure Boot certificates to install. Microsoft just ...

Microsoft will roll out new Secure Boot certificates for Windows users starting June, as the old certificates will expire.

Ensure your PC boots safely before Secure Boot changes.

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...

Microsoft has announced it will deliver new Secure Boot certificates via Windows Update starting March 2026 before 2011 ...

Microsoft is reminding users that the Secure Boot ecosystem will soon require a mandatory check-up. The Redmond-backed security protocol, part of the UEFI specification and primarily ...

Secure Boot has relied on the same security certificates to verify bootloaders since 2011, during the development cycle for Windows 8. But those original certificates are set to expire in June and ...

Microsoft is automatically replacing boot-level security certificates on Windows devices before they start expiring later this year. The new Secure Boot certificates will be rolled out as part of the ...

Microsoft is preparing to roll out new Secure Boot certificates via Windows Update to keep old PCs protected from boot‑level ...

I always get a bit jittery whenever I hear of a new vulnerability that can enable a bypass of the Windows Secure Boot protections. I don’t really need to explain why, do I? Suffice to say, Secure Boot ...

Refreshing new certificates represents one of the largest coordinated security maintenance efforts across the Windows ecosystem,' Microsoft explains.