SB2025091005 - Privilege escalation in Microsoft PowerShell Direct



SB2025091005 - Privilege escalation in Microsoft PowerShell Direct

Published: September 10, 2025

Security Bulletin ID SB2025091005
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper restriction of communication channel to intended endpoints (CVE-ID: CVE-2025-49734)

CWE-ID: CWE-923 - Improper Restriction of Communication Channel to Intended Endpoints

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


The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to improper restriction of communication channel to intended endpoints in PowerShell Direct. A local user can gain elevated privileges on the system.


Remediation

Install update from vendor's website.