How to check your Windows PC for expiring security certificates - a big one is ending soon ...

Microsoft has released the Windows 10 KB5078885 extended security update to fix the March 2026 Patch Tuesday vulnerabilities, ...

Microsoft urges Windows Server admins to prepare for Secure Boot certificate updates. Expiring 2011 Secure Boot certificates in June 2026 require proactive remediation. Updated firmware trust chains ...

I've been reviewing hardware and software, devising testing methodology and handed out buying advice for what seems like forever; I'm currently absorbed by computers and gaming hardware, but ...

Microsoft will begin delivering new Secure Boot certificates via Windows Update in March 2026. The update targets millions of PCs before the original 2011 certificates begin expiring in June. The move ...

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 ...

In brief: Secure Boot was originally introduced with Windows 8 as a firmware-based security feature designed to protect the OS from potentially malicious boot code. After more than 15 years, the ...

After a decade and a half of service, the current certificates will expire, and new ones will be rolled out. Renewed Secure Boot certificates will be rolled out to Windows systems starting in June, as ...

If you use a Windows PC, you’ve almost certainly heard of Secure Boot—the security feature that ensures only trusted operating systems can start when your computer powers on. Introduced back in 2011 ...

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 ...