High severity7.8NVD Advisory· Published Jun 11, 2025· Updated Apr 15, 2026
CVE-2025-4275
CVE-2025-4275
Description
A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot.
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