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Forgotten UEFI shims undermining Secure Boot

July 14, 2026 · WeLiveSecurity · Severity: HIGH

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

Key Takeaways

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