peter bassill · operator
$ cve CVE-2025-30400 JSON

CVE-2025-30400 KEV

7.8
HIGH · CVSS 3.1 · EPSS 1.9% (pctl 79)

Patch first

On CISA KEV — known exploited in the wild, due 2025-06-03.

Description

Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.

Scoring

CVSS7.8 (HIGH, v3.1)
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS1.9% — more likely to be exploited than 79% of all CVEs
WeaknessCWE-416
On CISA KEVyes — remediate by 2025-06-03
Public exploitnone known
Published2025-05-13
Last modified2026-06-17

CISA KEV

NameMicrosoft Windows DWM Core Library Use-After-Free Vulnerability
Added2025-05-13
Due2025-06-03
Vendor / productMicrosoft / Windows
Ransomware usenone reported

Affected (10)

VendorProduct
microsoftwindows 10 1809
microsoftwindows 10 21h2
microsoftwindows 10 22h2
microsoftwindows 11 22h2
microsoftwindows 11 23h2
microsoftwindows 11 24h2
microsoftwindows server 2019
microsoftwindows server 2022
microsoftwindows server 2022 23h2
microsoftwindows server 2025

References

→ the Explorer  ·  watch your stack  ·  NVD