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

Windows systems are heading toward a trust-chain maintenance event that’s easy to overlook until it breaks something. Windows 10 and Windows 11 rely on three security certificates that begin expiring ...

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

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 ...

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

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 ...

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

Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026.

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

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

Microsoft has released the Windows 10 KB5075912 extended security update to fix February 2026 Patch Tuesday vulnerabilities, including six zero-days, and continue rolling out replacements for expiring ...

Microsoft's Secure Boot certificates expire in June, and unless you've enrolled in its 'Extended Security Updates' program, the OS will fall into a 'degraded security state', Microsoft says.