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CVE-2025-30400

Microsoft DWM Core Library Elevation of Privilege Vulnerability

CVSS 7.8 HIGHEPSS 1.8%● KEVCWE-416
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
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