Sources

7 Total Sources

Microsoft Revokes 11 UEFI Shims to Block Secure Boot Bypass on Most Systems

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We Live Security1d ago

Microsoft Revokes 11 UEFI Shim Bootloaders to Fix Secure Boot Bypass

mallory.ai4h ago

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

Ars Technica4h ago

Microsoft's Secure Boot has been broken for a decade and no one noticed until now - Ars Technica

The Hacker News1d ago

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

CybersecurityNews1d ago

11-Year-Old Linux UEFI Shim Bootloaders Let Attackers Bypass Secure Boot

Instagram1d ago

🛑 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

github.com1d ago

Feature]: Provide a KEK 2011 signed update package for the "Microsoft Corporation UEFI CA 2011" cert · Issue #422 · microsoft/secureboot_objects