vulnerability
Long-Lived Vulnerability in Microsoft Secure Boot
High
Summary
A fundamental flaw in Microsoft's Secure Boot, a long-standing security feature designed to protect devices from firmware attacks, has been discovered and has existed for nearly 14 years. Researchers found that old, unsigned shims – used to extend Secure Boot to Linux – could be easily bypassed, allowing attackers to disable the protection entirely. This represents a significant security gap that could be exploited to compromise vulnerable systems.
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