How severe is CVE-2015-7985?

CVE-2015-7985 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2015-7985 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7985?

CVE-2015-7985 affects Valvesoftware Steam Client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-7985?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-7985 published?

CVE-2015-7985 was published on 2015-11-24 and last updated on 2026-06-17.

CVE-2015-7985

CVE-2015-7985 is a high-severity vulnerability in Valvesoftware Steam Client with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Valvesoftware Steam Client
Published: 2015-11-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2015-7985?: 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.
How severe is CVE-2015-7985?: CVE-2015-7985 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2015-7985 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7985?: CVE-2015-7985 affects Valvesoftware Steam Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-7985?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-7985 published?: CVE-2015-7985 was published on 2015-11-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:valvesoftware:steam_client:2.10.91.91:*:*:*:*:*:*:*

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