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CVE-2026-40031

MemProcFS

Description

MemProcFS before 5.17 contains multiple unsafe library-loading patterns that enable DLL and shared-library hijacking across six attack surfaces, including bare-name LoadLibraryU and dlopen calls without path qualification for vmmpyc, libMSCompression, and plugin DLLs. An attacker who places a malicious DLL or shared library in the working directory or manipulates LD_LIBRARY_PATH can achieve arbitrary code execution when MemProcFS loads.

CVSS 7.8EPSS 0.14200000000000002%Risk 0.79
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Published
2026-04-08 22:16:23
Affected versions
<5.17
Type
Core software
Last modified
2026-07-24 21:10:00
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H