CVE-2026-50523

Received Received - Intake

Command Injection in Microsoft PowerShell

Publication date: 2026-08-14

Last updated on: 2026-08-14

Assigner: Microsoft Corporation

Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-14

Last Modified

2026-08-14

Generated

2026-08-15

AI Q&A

2026-08-15

EPSS Evaluated

N/A

NVD

CVE-2026-50523

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	powershell	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-77	The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

Executive Summary

This is a command injection vulnerability in Microsoft PowerShell. It allows an authorized attacker to execute arbitrary code on a local system by improperly neutralizing special elements in commands.

Impact Analysis

An attacker could gain control of your system, steal data, install malware, or perform other malicious actions if they have authorization to run PowerShell commands.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating compliance requirements for GDPR, HIPAA, and other regulations that mandate data protection and access controls.

Mitigation Strategies

Update Microsoft PowerShell to the latest version to patch the command injection vulnerability. Monitor for unusual PowerShell activity and restrict PowerShell execution policies to limit unauthorized script execution.

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