CVE-2019-14743

medium

Description

In Valve Steam Client for Windows through 2019-08-07, HKLM\SOFTWARE\Wow6432Node\Valve\Steam has explicit "Full control" for the Users group, which allows local users to gain NT AUTHORITY\SYSTEM access.

References

https://habr.com/ru/company/pm/blog/462479/

https://github.com/alexanderbittner/steam-privesc/

https://amonitoring.ru/article/steamclient-0day/

Details

Source: Mitre, NVD

Published: 2019-08-07

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 6.6

Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: Medium

EPSS

EPSS: 0.00053