CVE-2025-49734 HIGH

CVE-2025-49734: PowerShell Direct Elevation of Privilege Vulnerability

Vendor Microsoft
Product PowerShell 7.4
Weakness CWE-923
Published September 9, 2025
Last update February 20, 2026

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

September 9, 2025 CVE published
February 20, 2026 Record updated