CVE-2026-62801

Analyzed Analyzed - Analysis Complete

Path Traversal in Windows PowerShell

Publication date: 2026-09-08

Last updated on: 2026-09-24

Assigner: Microsoft Corporation

Description

Improper limitation of a pathname to a restricted directory ('path traversal') in Windows PowerShell allows an unauthorized attacker to bypass a security feature over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-24

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-62801

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	powershell	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-22	The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

Executive Summary

This vulnerability is a path traversal issue in Windows PowerShell. It allows an unauthorized attacker to bypass a security feature over a network by improperly limiting access to restricted directories.

Impact Analysis

An attacker could exploit this to access files or directories they shouldn't, potentially leading to unauthorized data access or manipulation. The impact is network-based and requires user interaction.

Compliance Impact

This vulnerability could lead to unauthorized data access, which may violate compliance requirements like GDPR or HIPAA. Organizations must address it to maintain data protection standards.

Mitigation Strategies

Update Windows PowerShell to the latest version to ensure the path traversal vulnerability is patched. Monitor network traffic for unusual path traversal attempts in PowerShell commands.

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