CVE-2023-31313

HIGHNVD 7.27.2—

7.2

An unintended proxy or intermediary in the AMD power management firmware (PMFW) could allow a privileged attacker to send malformed messages to the system management unit (SMU) potentially resulting in arbitrary code execution.

CVSS v3: 7.2
EG Score: 7.2(medium)
EPSS: 3.5%
KEV: Not listed

Published

February 12, 2026

Last Modified

April 15, 2026

References (1)

psirt@amdhttps://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6024.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-441Unintended Proxy or Intermediary (Confused Deputy)

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:29 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-31313?

CVE-2023-31313 is a high vulnerability published on February 12, 2026. An unintended proxy or intermediary in the AMD power management firmware (PMFW) could allow a privileged attacker to send malformed messages to the system management unit (SMU) potentially resulting in arbitrary code execution.

When was CVE-2023-31313 disclosed?

CVE-2023-31313 was first published in the National Vulnerability Database on February 12, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-31313 actively exploited?

CVE-2023-31313 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-31313?

CVE-2023-31313 has a CVSS v3 base score of 7.2 (NVD).

How do I remediate CVE-2023-31313?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31313, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-31313

📅 Published

🔄 Last Modified

🔗 References (1)