CVE-2019-15316

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…

published August 21, 2019

CVSS
—
EPSS
0%
Percentile
37.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00446 · 37.8th percentile
Published
2019-08-21T19:36Z
EPSS history
Timeline
  • 21 AUG 19:36Z
    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…
    cvelistv5