How severe is CVE-2024-56161?

CVE-2024-56161 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-56161 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-56161?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-56161 have an EU (EUVD) identifier?

Yes. CVE-2024-56161 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52992.

When was CVE-2024-56161 published?

CVE-2024-56161 was published on 2025-02-03 and last updated on 2026-06-17.

CVE-2024-56161

CVE-2024-56161 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-52992
Weakness: CWE-347
Published: 2025-02-03
Last modified: 2026-06-17

Description

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

Frequently asked questions

What is CVE-2024-56161?: Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.
How severe is CVE-2024-56161?: CVE-2024-56161 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-56161 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-56161?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-56161 have an EU (EUVD) identifier?: Yes. CVE-2024-56161 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52992.
When was CVE-2024-56161 published?: CVE-2024-56161 was published on 2025-02-03 and last updated on 2026-06-17.

References

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