CVE-2019-15315 is a privilege escalation vulnerability affecting the Valve Steam Client for Windows, allowing a local attacker to gain NT AUTHORITY\SYSTEM privileges. This is achieved by replacing current, patched versions of SteamService.exe and SteamService.dll with older, unpatched versions. Rated 7.8 HIGH on CVSS, the vulnerability has a low attack complexity and requires local user access, but can lead to complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2019-08-16CPE matchmatch criteria | cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.