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CVE-2025-27998: An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL.

8.4 CVSS

Description

An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL.

CVSS Base Severity: HIGH

CVSS Base Score: 8.4

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor: n/a

Product: n/a

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 5.7% (scored less or equal to compared to others)

EPSS Date: 2025-06-19 (when was this score calculated)

2025-05-21 16:40:19 UTC
CVE

An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL.