CVE-2025-30400
Microsoft DWM Core Library Elevation of Privilege Vulnerability
In short
A flaw in Windows Desktop Window Manager allows someone already logged into a computer to gain higher-level access by exploiting memory that was already freed. This matters because it lets a regular user become an administrator.
Technical detail
Use-after-free vulnerability in Microsoft DWM Core Library enables privilege escalation via exploitation of freed memory regions. Attack requires prior local authentication; successful exploitation grants elevated privileges, typically SYSTEM-level access, allowing complete system compromise.
Summary generated and translated by AI from the official description.
Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 22H2Microsoft · Windows 11 version 22H3Microsoft · Windows 11 Version 23H2Microsoft · Windows 11 Version 24H2Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft · Windows Server 2025Microsoft · Windows Server 2025 (Server Core installation)public PoCs found — 1
githubgithub.com/encrypter15/CVE-2025-30400★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →