Review reviewHigh

CVE-2025-54502

AMD AMD EPYC™ 9004 Series Processors, AMD EPYC™ 7003 Series Processors, AMD EPYC™ 7002 Series Processors

Incorrect use of boot service in the AMD Platform Configuration Blob (APCB) SMM driver could allow a privileged attacker with local access (Ring 0) to achieve privilege escalation potentially resulting in arbitrary code execution.

CVSS
7.1
EPSS
0.14%
4.29% percentile
CISA KEV
Not listed
Published
2026.04.17
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.14%
Technical severityCVSS 7.1

Vulnerability overview

Incorrect use of boot service in the AMD Platform Configuration Blob (APCB) SMM driver could allow a privileged attacker with local access (Ring 0) to achieve privilege escalation potentially resulting in arbitrary code execution.

Affected product and versions

Product
AMD AMD EPYC™ 9004 Series Processors, AMD EPYC™ 7003 Series Processors, AMD EPYC™ 7002 Series Processors
Affected versions
See the vendor advisory and NVD configuration data
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that AMD AMD EPYC™ 9004 Series Processors, AMD EPYC™ 7003 Series Processors, AMD EPYC™ 7002 Series Processors and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-648, CWE-668
CVE-2025-54502 — AMD AMD EPYC™ 9004 Series Processors, AMD EPYC™ 7003 Series Processors, AMD EPYC™ 7002 Series Processors | SECUFOCUS NOW