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CVE-2025-52536

Published: Feb 10, 2026Updated: Feb 10, 2026 Sources: CVE List NVD BDUCWE-1231
NVD MITRE
6.0CVSSMEDIUM
EPSS Score
0.1%
Top 96.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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

CVSS Vector Breakdown

AV:LAC:LC:NI:HA:N
Exploitability
AV:LAccess Vector
Local
AC:LAccess Complexity
Low
Impact
C:NConfidentiality
None
I:HIntegrity
H
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-1231

Affected Products

AMD EPYC Embedded 7003Advanced Micro Devices Inc.Hardware Firmware
AMD EPYC 7003 SeriesAdvanced Micro Devices Inc.Hardware Firmware
AMD EPYC 8004 SeriesAdvanced Micro Devices Inc.Hardware Firmware
AMD EPYC 9004 SeriesAdvanced Micro Devices Inc.Hardware Firmware
AMD EPYC 9005 SeriesAdvanced Micro Devices Inc.Hardware Firmware
advanced micro devices inc.commercialUSHardware Firmwareaka amd
and 12 more affected products View all →

Exploitability

Official Patch Available

References

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

Timeline

Published
Feb 10, 2026
Last Updated
Feb 10, 2026

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