CVE-2025-49734 PowerShell Direct Elevation of Privilege Vulnerability
An authorized local attacker can elevate privileges by exploiting improper communication channel restrictions in Windows PowerShell.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-49734?
CVE-2025-49734 is a high-severity vulnerability in Microsoft Windows 10 1607, published on 9 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.
Weakness: CWE-923
Which versions are affected by CVE-2025-49734?
1 open source package ship an affected version, including powershell. It affects 13 products.
| Package | Affected | Fixed in |
|---|---|---|
powershell Bitnami | From 7.4.0 | 7.4.12, 7.5.3 |
Products include Microsoft Powershell, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 7 more.
How do I fix CVE-2025-49734?
Upgrade powershell to a fixed version for your release line: 7.4.12 or 7.5.3.
Is CVE-2025-49734 being exploited?
There is no known exploitation of CVE-2025-49734 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1607
- CVE-2018-8327 Code injection in PowerShell Editor
- CVE-2026-96251 Microsoft PowerShell Remote Code Execution Vulnerability
- CVE-2026-70337 Microsoft PowerShell Remote Code Execution Vulnerability
- CVE-2022-41076 PowerShell Remote Code Execution Vulnerability
- CVE-2026-50523 Microsoft PowerShell Remote Code Execution Vulnerability
Sources
Also known as BIT-powershell-2025-49734, GHSA-q77p-wfv8-75pp.