CVE-2025-2296 HIGH

CVE-2025-2296: Un-verified kernel bypass Secure Boot mechanism in direct boot mode

Vendor Tianocore
Product EDK2
Weakness CWE-20 · Input validation
Published December 9, 2025
Last update December 9, 2025
View on NVD All CVEs

CVSS base score

8.4/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L

What the vulnerability does

01Description

EDK2 contains a vulnerability in BIOS where an attacker may cause “ Improper Input Validation” by local access. Successful exploitation of this vulnerability could alter control flow in unexpected ways, potentially allowing arbitrary command execution and impacting Confidentiality, Integrity, and Availability.

Key dates

02Disclosure timeline

December 9, 2025 CVE published
December 9, 2025 Record updated