Sep 2025: PowerShell Direct Elevation of Privilege Vulnerability
CVE-2025-49734 Published on September 9, 2025

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

Vendor Advisory NVD

Weakness Type

Improper Restriction of Communication Channel to Intended Endpoints

The software establishes a communication channel to (or from) an endpoint for privileged or protected operations, but it does not properly ensure that it is communicating with the correct endpoint.

Products Associated with CVE-2025-49734

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Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows 11

Microsoft Windows 10

Microsoft Windows Server 2025

Microsoft Windows 11 23h2

Microsoft Windows Server 23h2

Microsoft Windows 11 24h2

Microsoft Windows Server 2016

Microsoft Powershell

Affected Versions

Microsoft PowerShell 7.4:

Version 7.4.0 and below 7.4.12 is affected.

Microsoft PowerShell 7.5:

Version 7.5.0 and below 7.5.3 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.8422 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.7792 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19044.0 and below 10.0.19044.6332 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.6332 is affected.

Microsoft Windows 11 version 22H2:

Version 10.0.22621.0 and below 10.0.22621.5909 is affected.

Microsoft Windows 11 version 22H3:

Version 10.0.22631.0 and below 10.0.22631.5909 is affected.

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.5909 is affected.

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.6584 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.8422 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.8422 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.7792 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.7792 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.4171 is affected.

Microsoft Windows Server 2022, 23H2 Edition (Server Core installation):

Version 10.0.25398.0 and below 10.0.25398.1849 is affected.

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.6584 is affected.

Microsoft Windows Server 2025 (Server Core installation):

Version 10.0.26100.0 and below 10.0.26100.6584 is affected.

Exploit Probability

EPSS

0.05%

Percentile

15.31%