CVE-2025-27998

High

Description

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

SeverityHigh
CVSS8.4
Exploit probability—
ProductSteam Client
PublishedMay 21, 2025
First seenMay 21, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Valvesoftware Steam Client1738026274—

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