microsoft windows-10 CVE-2025-30400 vulnerability in Microsoft Products
Published on May 13, 2025

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Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Windows DWM Core Library Use-After-Free Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Windows DWM Core Library contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

The following remediation steps are recommended / required by June 3, 2025: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2025-30400 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2025-30400 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2025-30400

You can be notified by stack.watch whenever vulnerabilities like CVE-2025-30400 are published in these products:

Microsoft Windows 10
 
Microsoft Windows 11
 
Microsoft Windows 11 23h2
 
Microsoft Windows 11 24h2
 
Microsoft Windows Server 2019
 
Microsoft Windows Server 2022
 
Microsoft Windows Server 2022 23h2
 
Microsoft Windows Server 2025
 

What versions are vulnerable to CVE-2025-30400?