CVE-2025-55247

.NET Elevation of Privilege Vulnerability

Published Oct 14, 2025 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-w3q9-fxm7-j8fq Microsoft Security Advisory CVE-2025-55247 | .NET Denial of Service Vulnerability
Ubuntu USN Ubuntu USN USN-7822-1 .NET vulnerabilities
History
Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Microsoft
Microsoft .net
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
Microsoft
Microsoft .net
Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-377
CPEs cpe:/a:redhat:enterprise_linux:8
cpe:/a:redhat:enterprise_linux:9
cpe:/o:redhat:enterprise_linux:10.0
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
Title .NET Elevation of Privilege Vulnerability
Weaknesses CWE-59
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Feb 22, 2026, 5:24 PM
Reserved
Aug 11, 2025, 8:26 PM
Status
Analyzed
Published
Oct 14, 2025, 5:15 PM
Modified
Oct 18, 2026, 9:10 PM
Severity
Moderate
Public date
Oct 15, 2025, 1:06 PM