XDA Developers on MSN

Microsoft's Secure Boot certificates expire in June 2026, but older PCs may never get the fix

Make sure you've updated before the deadline.
Hosted on MSN

Your PC's critical security certificates may be about to expire - how to check

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June 2026. Most PC owners are fine if they install the latest updates. Last year's ...
Make Tech Easier

Your Windows Secure Boot Certificates are Expiring Soon: Here’s How to Update to the Latest

Microsoft is taking its time with the boot certificate rollout, but you don't have to. Activate the latest UEFI CA 2023 right now.
CNET

Windows Secure Boot Certificates From 2011 Will Be Expiring Soon. What You Need to Know

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that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.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

Microsoft warns of Windows smart card auth issues after October updates

Microsoft says the October 2025 Windows security updates are causing smart card authentication and certificate issues due to a change designed to strengthen the Windows Cryptographic Services. This ...
Bangkok Post

Microsoft issues new security patch before expiry

Microsoft on Monday released a Secure Boot update ahead of the expiry of a root certificate first issued in 2011, warning ...
Bleeping Computer

Microsoft: August security updates break Windows recovery, reset

Microsoft has confirmed that the August 2025 Windows security updates are breaking reset and recovery operations on systems running Windows 10 and older versions of Windows 11. "After installing the ...