VULNERABILITY INTELLIGENCE
CVE-2024-36056
CVSS score5.4 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2024-05-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Description
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-269