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Case File

CVE-2018-18586

MEDIUM · CVSS 5.3 EPSS 3.28% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-10-23 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-18586
Severity
MEDIUM
CVSS
5.3
EPSS
3.28%

Original NVD Description

chmextract.c in the chmextract sample program, as distributed with libmspack before 0.8alpha, does not protect against absolute/relative pathnames in CHM files, leading to Directory Traversal. NOTE: the vendor disputes that this is a libmspack vulnerability, because chmextract.c was only intended as a source-code example, not a supported application