Steam Client
CVEs (8)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2025-27998 | Hig | 0.55 | 8.4 | 0.00 | May 21, 2025 | An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL. | ||
| CVE-2015-7985 | 0.03 | — | 0.01 | Nov 24, 2015 | 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. | |||
| CVE-2020-15530 | 0.00 | — | 0.01 | Jul 5, 2020 | An issue was discovered in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITY\SYSTEM privileges because some parts of %PROGRAMFILES(X86)%\Steam and/or %COMMONPROGRAMFILES(X86)%\Steam have weak permissions during a critical time window. An… | |||
| CVE-2019-17180 | 0.00 | — | 0.01 | Oct 4, 2019 | Valve Steam Client before 2019-09-12 allows placing or appending partially controlled filesystem content, as demonstrated by file modifications on Windows in the context of NT AUTHORITY\SYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other… | |||
| CVE-2019-15316 | 0.00 | — | 0.00 | Aug 21, 2019 | Valve Steam Client for Windows through 2019-08-20 has weak folder permissions, leading to privilege escalation (to NT AUTHORITY\SYSTEM) via crafted use of CreateMountPoint.exe and SetOpLock.exe to leverage a TOCTOU race condition. | |||
| CVE-2019-15315 | 0.00 | — | 0.00 | Aug 21, 2019 | 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. | |||
| CVE-2019-14743 | 0.00 | — | 0.01 | Aug 7, 2019 | In Valve Steam Client for Windows through 2019-08-07, HKLM\SOFTWARE\Wow6432Node\Valve\Steam has explicit "Full control" for the Users group, which allows local users to gain NT AUTHORITY\SYSTEM access. | |||
| CVE-2015-4016 | 0.00 | — | 0.03 | May 20, 2015 | The client detection protocol in Valve Steam allows remote attackers to cause a denial of service (process crash) via a crafted response to a broadcast packet. |
- risk 0.55cvss 8.4epss 0.00
An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL.
- CVE-2015-7985Nov 24, 2015risk 0.03cvss —epss 0.01
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.
- CVE-2020-15530Jul 5, 2020risk 0.00cvss —epss 0.01
An issue was discovered in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITY\SYSTEM privileges because some parts of %PROGRAMFILES(X86)%\Steam and/or %COMMONPROGRAMFILES(X86)%\Steam have weak permissions during a critical time window. An…
- CVE-2019-17180Oct 4, 2019risk 0.00cvss —epss 0.01
Valve Steam Client before 2019-09-12 allows placing or appending partially controlled filesystem content, as demonstrated by file modifications on Windows in the context of NT AUTHORITY\SYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other…
- CVE-2019-15316Aug 21, 2019risk 0.00cvss —epss 0.00
Valve Steam Client for Windows through 2019-08-20 has weak folder permissions, leading to privilege escalation (to NT AUTHORITY\SYSTEM) via crafted use of CreateMountPoint.exe and SetOpLock.exe to leverage a TOCTOU race condition.
- CVE-2019-15315Aug 21, 2019risk 0.00cvss —epss 0.00
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.
- CVE-2019-14743Aug 7, 2019risk 0.00cvss —epss 0.01
In Valve Steam Client for Windows through 2019-08-07, HKLM\SOFTWARE\Wow6432Node\Valve\Steam has explicit "Full control" for the Users group, which allows local users to gain NT AUTHORITY\SYSTEM access.
- CVE-2015-4016May 20, 2015risk 0.00cvss —epss 0.03
The client detection protocol in Valve Steam allows remote attackers to cause a denial of service (process crash) via a crafted response to a broadcast packet.