CVE-2025-27998

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

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gist.github.com/sornram9254/e8d10efcf246cc50ff3d4f837b261616

Configurations

No configuration.

History

21 May 2025, 20:24

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.4
CWE		CWE-94

21 May 2025, 16:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-21 16:15

Updated : 2025-05-21 20:24

NVD link : CVE-2025-27998

Mitre link : CVE-2025-27998

CVE.ORG link : CVE-2025-27998

JSON object : View

Products Affected

No product.

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

{"id": "CVE-2025-27998", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.5}]}, "published": "2025-05-21T16:15:31.153", "references": [{"url": "https://gist.github.com/sornram9254/e8d10efcf246cc50ff3d4f837b261616", "source": "cve@mitre.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "An issue in Valvesoftware Steam Client Steam Client 1738026274 allows attackers to escalate privileges via a crafted executable or DLL."}], "lastModified": "2025-05-21T20:24:58.133", "sourceIdentifier": "cve@mitre.org"}

8.4 /10