Secure Boot certificate updates are broken on some PCs, Microsoft confirms

On June 24th, several older Microsoft certificates expired, meaning that many Windows 10 and 11 users need to update their ...
Windows Latest

Microsoft confirms Secure Boot update failing on some Windows 11 PCs, blocks update due to known issues

Microsoft has confirmed that Secure Boot certificate updates are failing or being blocked on some Windows 11 PCs.
The Cool Down on MSN

Secure Boot certificates expired, and costly upgrades left older Windows PCs exposed

"I have a headache from dealing with Secure Boot." ...

Secure Boot is on, but your device does not support the automated Secure Boot certificate update

Secure Boot Certificate update is failing on some Windows 11 computers and users see a message. This post explains why and ...
Bleeping Computer

New Secure Boot flaw lets attackers install bootkit malware, patch now

Security researchers have disclosed a new Secure Boot bypass tracked as CVE-2025-3052 that can be used to turn off security on PCs and servers and install bootkit malware. The flaw affects nearly ...
WeLiveSecurity

Forgotten UEFI shims undermining Secure Boot

ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI ...
Infosecurity Magazine

Eleven Vulnerable UEFI Shims Enable Secure Boot Bypass

Attackers could bypass UEFI Secure Boot on a wide range of systems thanks to 11 Microsoft-signed UEFI shim bootloaders ...

Forgotten Microsoft-Signed Bootloaders Let Hackers Bypass Secure Boot For 11 Years

As it turns out, the batch of expiring Secure Boot certificates isn't the only Secure Boot-related concern that Microsoft and the public need to worry about this year. ESET Researchers have uncovered ...