---
id: CVE-2026-96251
title: >-
  Reliance on untrusted inputs in a security decision in Microsoft PowerShell
  allows an unauthorized attacker to execute code over a network.
summary: >-
  Reliance on untrusted inputs in a security decision in Microsoft PowerShell
  allows an unauthorized attacker to execute code over a network.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-807
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T20:19:16.460'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96251'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96251'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-13T19:43:29.258Z'
vendor: Microsoft
product: PowerShell 7.4
affected:
  - powershell_7.4 >= 7.4.0 < 7.4.21
  - powershell_7.5 >= 7.5.0 < 7.5.12
  - powershell_7.6 >= 7.6.0 < 7.6.7
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-13T19:45:29.980282Z'
epss: 0.00691
epssPercentile: 0.52661
---

## Overview

Reliance on untrusted inputs in a security decision in Microsoft PowerShell allows an unauthorized attacker to execute code over a network.

## Remediation

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