7.8
CWE
732
Advisory Published
Updated

CVE-2019-15315

First published: Wed Aug 21 2019(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Steam Client<=2019-08-16
Microsoft Windows Operating System

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Frequently Asked Questions

  • What is CVE-2019-15315?

    CVE-2019-15315 is a vulnerability in Valve Steam Client for Windows that allows privilege escalation to NT AUTHORITY\SYSTEM.

  • How can local users exploit CVE-2019-15315?

    Local users can exploit CVE-2019-15315 by replacing the current versions of SteamService.exe and SteamService.dll with older versions that lack the CVE-2019-14743 patch.

  • What is the severity of CVE-2019-15315?

    CVE-2019-15315 has a severity rating of 7.8 (high).

  • Which software is affected by CVE-2019-15315?

    The Valve Steam Client for Windows versions up to and including 2019-08-16 are affected by CVE-2019-15315.

  • Where can I find more information about CVE-2019-15315?

    You can find more information about CVE-2019-15315 at the following link: https://xiaoyinl.github.io/steam_EoP_bypass.html

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