CVE-2026-108398

HighCVSS 8.8/10Last modified Oct 13, 2026

Description

Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-426

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
MicrosoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2>= 3.0.0.0, < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2>= 4.7.0, < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8>= 4.8.0, < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8.1>= 4.8.1, < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
MicrosoftMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2>= 4.7.0, < 4.7.4150.0
MicrosoftMicrosoft .NET Framework 4.8>= 4.8.0, < 4.8.4811.0
MicrosoftMicrosoft .NET Framework 4.8.1>= 4.8.0.0, < 4.8.9363.0

References

Timeline

Published
Oct 13, 2026
Last modified
Oct 13, 2026
NVD status
Awaiting Analysis

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CVE-2026-108398: High severity, CVSS 8.8 | Vulnix