CVE-2025-30400
HIGH
2025-05-13
[email protected]
7.8
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 28, 2026 - 18:41 vuln.today
Added to CISA KEV
Oct 27, 2025 - 17:13 cisa
CISA KEV
CVE Published
May 13, 2025 - 17:16 nvd
HIGH 7.8
Tags
Description
Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
Analysis
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 Context
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.
Affected Products
['Microsoft Windows (DWM)']
Remediation
Apply May 2025 security updates. Monitor for exploitation indicators.
Priority Score
90
Low
Medium
High
Critical
KEV: +50
EPSS: +1.0
CVSS: +39
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).