VULNERABILITY INTELLIGENCE

CVE-2019-15315

CVSS score7.8 HIGH

EPSS probability0.41%

CISA KEVNot currently listed

Published2019-08-21

Last modified2026-06-17

Description

Valve Steam Client for Windows through 2019-08-16 allows privilege escalation (to NT AUTHORITY\SYSTEM) because local users can replace the current versions of SteamService.exe and SteamService.dll with older versions that lack the CVE-2019-14743 patch.