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No one knows how many old shims can still bypass UEFI Secure Boot
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No one knows how many old shims can still bypass UEFI Secure Boot


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The vast majority of UEFI computers carry a Microsoft certificate that will trust a small first-stage loader called a shim, a program Microsoft signs so that Linux and …

First seen on helpnetsecurity.com

Jump to article: www.helpnetsecurity.com/2026/07/14/eset-uefi-secure-boot-bypass/

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