What’s Vulnerable › Vulnerabilities

CVE-2016-5237

• Severity: medium (CVSS 4.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-01-23 · updated 2026-06-17
• Weakness: CWE-264

Description

Valve Steam 3.42.16.13 uses weak permissions for the files in the Steam program directory, which allows local users to modify the files and possibly gain privileges as demonstrated by a Trojan horse Steam.exe file.

Affected products

• Valvesoftware Steamos: through 3.42.16.13

References

• https://packetstormsecurity.com/files/137343/Valve-Steam-3.42.16.13-Local-Privilege-Escalation.html
• https://www.exploit-db.com/exploits/39888/
• https://packetstormsecurity.com/files/137343/Valve-Steam-3.42.16.13-Local-Privilege-Escalation.html
• https://www.exploit-db.com/exploits/39888/

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