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 ...

Windows’ original Secure Boot certificates expire in June—here’s what you need to do

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 ...
WinBuzzer

Microsoft Refreshes Secure Boot Certificates via Windows Update

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

Microsoft's Secure Boot replacements could be bad news for Windows 10 users

Secure Boot certificate upgrades is bad news for Windows 10 ...

Windows Secure Boot certificates are expiring after more than 15 years

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 ...
Bleeping Computer

New Windows updates replace expiring Secure Boot certificates

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 ...