Security Advisory

CVE-2019-15316

7
HIGH

Vulnerability Description

Valve Steam Client for Windows through 2019-08-20 has weak folder permissions, leading to privilege escalation (to NT AUTHORITY\SYSTEM) via crafted use of CreateMountPoint.exe and SetOpLock.exe to leverage a TOCTOU race condition.
Published Date August 21, 2019
Official Source NIST NVD Advisory