Beyond fixing a host of security vulnerabilities, the latest Patch Tuesday will display your Secure Boot status to make sure you're fully protected.

Microsoft’s CA-2023 Secure Boot update broke PCs. Learn why UEFI firmware failed, how vendors reacted, and how to fix your boot issues.

Microsoft’s new Patch Tuesday is a bumper update — 8 critical flaws topped off by an actively exploited zero-day ...

Windows 11 now shows Secure Boot alerts to help users prepare for 2026 certificate expiration and avoid security issues.

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...

Windows users beware. Microsoft has confirmed that Secure Boot certificates, first issued in 2011, expire in 8 just weeks.

Secure Boot was once considered an unbreakable force protecting your PC. Now, it's vulnerable, and there's not an easy way to ...

Secure Boot certificates will expire in June 2026 after their 15-year lifespan. Keep Windows and firmware updated; new certificates will install automatically via a monthly Windows Update. If not ...

Microsoft has started automatically replacing expiring Secure Boot certificates on eligible Windows 11 24H2 and 25H2 systems. Secure Boot is a security feature that blocks malicious software (like ...

Secure Boot protects your PC against bootkit malware. The Windows update refreshes expiring Secure Boot certificates. To install, head to Settings and select Windows Update. I typically advise Windows ...

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 ...