---
id: CVE-2026-96303
title: >-
  Improperly implemented security check for standard in Microsoft PowerShell
  allows an unauthorized attacker to bypass a security feature over a network.
summary: >-
  Improperly implemented security check for standard in Microsoft PowerShell
  allows an unauthorized attacker to bypass a security feature over a network.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'
cwe:
  - CWE-358
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T23:19:18.870'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96303'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96303'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-13T19:43:29.260Z'
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: partial
  timestamp: '2026-10-13T22:08:48.073582Z'
epss: 0.00691
epssPercentile: 0.52617
---

## Overview

Improperly implemented security check for standard in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature over a network.

## Remediation

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