CVE-2025-30400

Name: CVE-2025-30400
Creator: NVD / NIST
Published: 2025-05-13T17:16:02.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10Actively ExploitedEPSS 1.76%

Last modified Jun 17, 2026

CVE-2025-30400 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.76% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.76%

75.2th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 3, 2025.

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10 1809	< 10.0.17763.7314
Microsoft	Windows 10 21h2	< 10.0.19044.5854
Microsoft	Windows 10 22h2	< 10.0.19045.5854
Microsoft	Windows 11 22h2	< 10.0.22621.5335
Microsoft	Windows 11 23h2	< 10.0.22631.5335
Microsoft	Windows 11 24h2	< 10.0.26100.3981
Microsoft	Windows Server 2019	< 10.0.17763.7314
Microsoft	Windows Server 2022	< 10.0.20348.3692
Microsoft	Windows Server 2022 23h2	< 10.0.25398.1611
Microsoft	Windows Server 2025	< 10.0.26100.3981

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30400Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400US Government Resource

Timeline

Published: May 13, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-30400?

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

How severe is CVE-2025-30400?

CVE-2025-30400 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.76% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2025-30400?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-30400?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST