CVE-2025-52536 MEDIUM

CVE-2025-52536

Weakness CWE-1231
Published February 10, 2026
Last update February 10, 2026

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

Improper Prevention of Lock Bit Modification in SEV firmware could allow a privileged attacker to downgrade firmware potentially resulting in a loss of integrity.

Key dates

02Disclosure timeline

February 10, 2026 CVE published
February 10, 2026 Record updated