CVE-2025-52536

6.7 mediumEPSS 0.2%

Medium (6.7). EPSS 0.2% chance of exploitation in the next 30 days.

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

Severity

CVSS 4.0

6.7 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-1231
Published: 2026-02-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html

Check your stack JSON