Windows 10 1809
CVE-2025-30400
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionCVE.org
Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
AnalysisAI
Windows Desktop Window Manager (DWM) contains a use-after-free enabling local privilege escalation, exploited in the wild in May 2025 as another DWM zero-day.
Technical ContextAI
The CWE-416 use-after-free in dwm.exe occurs during window composition operations. Since DWM runs as SYSTEM, exploiting it provides direct escalation to the highest privilege level.
RemediationAI
Apply May 2025 security updates. Monitor for exploitation indicators.
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Same weakness CWE-416 – Use After Free
View allSame technique Use After Free
View allShare
External POC / Exploit Code
Leaving vuln.today