How severe is CVE-2024-36054?

CVE-2024-36054 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-36054 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-36054?

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-2024-36054 have an EU (EUVD) identifier?

Yes. CVE-2024-36054 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35858.

When was CVE-2024-36054 published?

CVE-2024-36054 was published on 2024-05-26 and last updated on 2026-06-17.

CVE-2024-36054

CVE-2024-36054 is a high-severity vulnerability with a CVSS 3.x base score of 7.4. 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-35858
Weakness: CWE-125
Published: 2024-05-26
Last modified: 2026-06-17

Description

Hw64.sys in Marvin Test HW.exe before 5.0.5.0 allows unprivileged user-mode processes to arbitrarily read kernel memory (and consequently gain all privileges) via IOCTL 0x9c4064b8 (via MmMapIoSpace) and IOCTL 0x9c406490 (via ZwMapViewOfSection).

Frequently asked questions

What is CVE-2024-36054?: Hw64.sys in Marvin Test HW.exe before 5.0.5.0 allows unprivileged user-mode processes to arbitrarily read kernel memory (and consequently gain all privileges) via IOCTL 0x9c4064b8 (via MmMapIoSpace) and IOCTL 0x9c406490 (via ZwMapViewOfSection).
How severe is CVE-2024-36054?: CVE-2024-36054 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-36054 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-36054?: 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-2024-36054 have an EU (EUVD) identifier?: Yes. CVE-2024-36054 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35858.
When was CVE-2024-36054 published?: CVE-2024-36054 was published on 2024-05-26 and last updated on 2026-06-17.

References

Other CWE-125 (Out-of-bounds Read) vulnerabilities

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