CVE-2024-36056

5.4 mediumEPSS 0.2%

Medium (5.4). EPSS 0.2% chance of exploitation in the next 30 days.

Hw64.sys in Marvin Test HW.exe before 5.0.5.0 allows unprivileged user-mode processes to arbitrarily map physical memory via IOCTL 0x9c406490 (for IoAllocateMdl, MmBuildMdlForNonPagedPool, and MmMapLockedPages), leading to NT AUTHORITY\SYSTEM privilege escalation.

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2024-05-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.marvintest.com/Downloads.aspx?prodId=12&search=package
https://www.marvintest.com/KnowledgeBase/KBArticle.aspx?ID=362
https://www.marvintest.com/Downloads.aspx?prodId=12&search=package
https://www.marvintest.com/KnowledgeBase/KBArticle.aspx?ID=362

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