HIGH CISA KEV
CVE-2025-30400
CVSS v3
7.8
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-10-19
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2025-30400 yet.
Description
Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
CISA Known Exploited Vulnerability
- Date Added
- 2025-05-13
- Patch Due Date
- 2025-06-03
- Ransomware Use
- Unknown
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- 2025-05-13
- Last Modified
- 2025-10-27
Frequently asked questions
What is CVE-2025-30400?
Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
Is CVE-2025-30400 actively exploited?
Yes. CVE-2025-30400 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-06-03.
What is the CVSS score for CVE-2025-30400?
CVE-2025-30400 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
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