Sources

7 Total Sources

Microsoft Left Secure Boot Exposed for 13 Years via 11 Unrevoked Shims

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Ars Technica4h ago

ESET Researchers Reveal Microsoft Secure Boot Bypassable for 13 Years via Unrevoked Shims

mallory.ai4h ago

Old Microsoft-Signed UEFI Shims Enabled Secure Boot Bypass | Mallory

We Live Security1d ago

Forgotten UEFI shims undermining Secure Boot

scworld.com4h ago

Outdated Microsoft-Signed UEFI Apps Bypass Secure Boot, Allow Untrusted Code Execution

BankInfoSecurity.com4h ago

Microsoft-Signed Legacy Shims Undermine Secure Boot

🛑 11 old Microsoft-signed UEFI shims could let attackers with admin access bypass Secure Boot and run code before the OS starts. Microsoft revoked the vulnerable shims in June 2026, but systems

The Hacker News4h ago

11 Old Microsoft-Signed Linux UEFI Shims Could Let Attackers Bypass Secure Boot