---
id: CVE-2026-108398
title: >-
  Untrusted search path in .NET Framework allows an authorized attacker to
  bypass a security feature locally.
summary: >-
  Untrusted search path in .NET Framework allows an authorized attacker to
  bypass a security feature locally.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-426
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T19:30:29.797'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108398'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108398'
    label: secure@microsoft.com
tags:
  - nvd
ingestedAt: '2026-10-13T19:43:28.926Z'
---

## Overview

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

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.