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Vulnerability Intelligence

CVE-2025-30400

HighExploitedPublic exploit

Microsoft DWM Core Library Elevation of Privilege Vulnerability

Published May 13, 2025 · Updated Feb 26, 2026

Key Facts

Patch immediately
  • CVE-2025-30400 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Windows 10 1809 (Microsoft), Windows 10 21h2 (Microsoft), Windows 10 22h2 (Microsoft) and 17 more products.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 13, 2025. Public exploit code is available.
  • EPSS estimates a 1.9% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Windows 10 1809 10.0.17763.7314, Windows 10 21h2 10.0.19044.5854, Windows 10 22h2 10.0.19045.5854.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.8

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

1.9%

Higher than 79.5% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2025-30400 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVMay 13, 2025Jun 3, 2025Not reported
Industry KEV feedMay 13, 2025Jun 3, 2025Not reported
CIRCL KEVMay 13, 2025Jun 3, 2025Not reported
ENISA EUVDMay 13, 2025n/aNot reported

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected Products

24 affected entries in total
ProductAffected versionsFixed in
Windows 10 1809MicrosoftSee advisory10.0.17763.7314
Windows 10 21h2MicrosoftSee advisory10.0.19044.5854
Windows 10 22h2MicrosoftSee advisory10.0.19045.5854
Windows 11 22h2MicrosoftSee advisory10.0.22621.5335
Windows 11 23h2MicrosoftSee advisory10.0.22631.5335
15 more affected products in the full CVE brief

Patched Releases

Windows 10 1809

10.0.17763.7314

Windows 10 21h2

10.0.19044.5854

Windows 10 22h2

10.0.19045.5854

Windows 11 22h2

10.0.22621.5335

Windows 11 23h2

10.0.22631.5335

Windows 11 24h2

10.0.26100.3981

Windows Server 2019

10.0.17763.7314

Windows Server 2022

10.0.20348.3692

Windows Server 2022 23h2

10.0.25398.1611

Windows Server 2025

10.0.26100.3981, 10.0.26100.4061

Windows 10 Version 1809

10.0.17763.7314

Windows 10 Version 21H2

10.0.19044.5854

Windows 10 Version 22H2

10.0.19045.5854

Windows 11 version 22H2

10.0.22621.5335

Windows 11 version 22H3

10.0.22631.5335

Windows 11 Version 23H2

10.0.22631.5335

Windows 11 Version 24H2

10.0.26100.4061

Windows Server 2019 (Server Core installation)

10.0.17763.7314

Windows Server 2022, 23H2 Edition (Server Core installation)

10.0.25398.1611

Windows Server 2025 (Server Core installation)

10.0.26100.4061

Timeline

  1. Publicly disclosed

    May 13, 2025

  2. Added to CISA KEV

    May 13, 2025

  3. Added to Industry KEV feed

    May 13, 2025

  4. Added to CIRCL KEV

    May 13, 2025

  5. Added to ENISA EUVD

    May 13, 2025

  6. Last updated

    Feb 26, 2026

Weakness Type

  • CWE-416 Use After Free

References

FAQ

Common Questions.

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