How severe is CVE-2024-36331?

CVE-2024-36331 has a CVSS 3.x base score of 3.2, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-36331 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-36331?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-36331 have an EU (EUVD) identifier?

Yes. CVE-2024-36331 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54974.

When was CVE-2024-36331 published?

CVE-2024-36331 was published on 2025-09-06 and last updated on 2026-06-17.

CVE-2024-36331

CVE-2024-36331 is a low-severity vulnerability with a CVSS 3.x base score of 3.2. 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-665.

Key facts

Severity: Low (CVSS 3.x base score 3.2)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-54974
Weakness: CWE-665
Published: 2025-09-06
Last modified: 2026-06-17

Description

Improper initialization of CPU cache memory could allow a privileged attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity.

Frequently asked questions

What is CVE-2024-36331?: Improper initialization of CPU cache memory could allow a privileged attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity.
How severe is CVE-2024-36331?: CVE-2024-36331 has a CVSS 3.x base score of 3.2, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-36331 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-36331?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-36331 have an EU (EUVD) identifier?: Yes. CVE-2024-36331 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54974.
When was CVE-2024-36331 published?: CVE-2024-36331 was published on 2025-09-06 and last updated on 2026-06-17.

References

Other CWE-665 (Improper Initialization) vulnerabilities

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CVE-2015-8367 — Critical (CVSS 9.8): The phase_one_correct function in Libraw before 0.17.1 allows attackers to cause memory errors and possibly execute…
CVE-2019-14271 — Critical (CVSS 9.8): In Docker 19.03.x before 19.03.1 linked against the GNU C Library (aka glibc), code injection can occur when the…

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