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#UEFI shims

Old Signed Bootloaders, New Trust Problem: Why Secure Boot Can Still Be Undercut

16 July 2026 10:04Vulnerabilities & Patch ManagementNorth America / USASECURESPECTER

A Microsoft-signed UEFI shim issue shows how a legacy pre-OS component can weaken Secure Boot across platforms, even when the operating system itself is not the focus.

#UEFI shims | #Secure Boot | #bootloader bypass