SB2025120994 - Command Injection in Microsoft PowerShell



SB2025120994 - Command Injection in Microsoft PowerShell

Published: December 9, 2025 Updated: January 16, 2026

Security Bulletin ID SB2025120994
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Command Injection (CVE-ID: CVE-2025-54100)

CWE-ID: CWE-77 - Command injection

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber


The vulnerability allows a remote attacker to execute arbitrary commands on the system.

The vulnerability exists due to insufficient input validation in PowerShell. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary commands.


Remediation

Install update from vendor's website.