CVE-2025-3770: Tianocore EDK2

High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days.

EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local access. Successful exploitation of this vulnerability will lead to arbitrary code execution and impact Confidentiality, Integrity, and Availability.

Affected products

Published 2025-08-07. Last modified 2026-06-17.