CVE-2026-108398

.NET Framework Security Feature Bypass Vulnerability

Published Oct 13, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
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 Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.
Title .NET Framework Security Feature Bypass Vulnerability
First Time appeared Microsoft
Microsoft .net
Microsoft .net Framework
Weaknesses CWE-426
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .net
Microsoft .net Framework
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 8:33 PM
Reserved
Oct 9, 2026, 9:52 PM
Status
Awaiting Analysis
Published
Oct 13, 2026, 7:18 PM
Modified
Oct 13, 2026, 11:17 PM