CVE-2025-27998HIGH 8.4EPSS p7.1%

CVE-2025-27998CVE-2025-27998

Description

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

Scoring

CVSS 3.18.4 (HIGH)
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.17% probability of exploitation · percentile 7.1% · 2026-06-18T12:00:27Z
Published2025-05-21
Last modified2026-04-15

Underlying weaknesses· 1

CWE-94

References

  1. https://gist.github.com/sornram9254/e8d10efcf246cc50ff3d4f837b261616

1

TypeTargetConfidenceTier
WeaknessImproper Control of Generation of Code ('Code Injection')cwe-940%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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CVE-2025-27997
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CVE-2025-27487
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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.