CVE-2015-7985

high

Published 2015-11-24 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

8.2

Description

Valve Steam 2.10.91.91 uses weak permissions (Users: read and write) for the Install folder, which allows local users to gain privileges via a Trojan horse steam.exe file.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-9386 local windows verified

MrDoug · 2009-08-07

Steam 54/894 - Local Privilege Escalation

Source code queued for fetch — refresh in a moment.

OS impact

Debian Fixed 1 release

Version	Status	Fixed in
bullseye	Fixed	`0`

Application impact

Vendor	Product	Versions	Fixed
valvesoftware	steam_client	`2.10.91.91`

References

CWEs

CWE-276

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.