What is the severity of CVE-2025-30400?

CVE-2025-30400 has a CVSS Base Score of 7.8/10 and is classified as High severity. It is important to assess the risk based on your specific environment.

How do I fix CVE-2025-30400?

Remediation typically involves updating the affected software products to the latest patched version. Refer to the 'Affected Products' and 'Remediation' sections on this page for specific mitigation steps and vendor advisories.

Home→Vulnerabilities→CVE-2025-30400

Active Exploitation

CVE-2025-30400

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

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Confirmed Active Exploitation

This vulnerability is listed in the CISA KEV Catalog. Federal agencies are mandated to patch immediately. Immediate remediation is required.

Exploitation Probability (EPSS)

Low Priority

1.02%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

3 events

May 13, 2025

Vulnerability Disclosed

Published to component-level vulnerability database.

May 13, 2025

Added to CISA KEV

CVE added to CISA Known Exploited Vulnerabilities

May 16, 2025

Last Updated

Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL

Associated Groups:Lazarus Group, APT28

Ransomware Campaigns:LockBit 3.0, BlackCat

IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

Affected Products

10 Total

microsoft/windows_10_1809All Versions

microsoft/windows_10_21h2All Versions

microsoft/windows_10_22h2All Versions

microsoft/windows_11_22h2All Versions

microsoft/windows_11_23h2All Versions

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30400Microsoft

Vendor Advisory

Am I Vulnerable?

Check your domain or package.json for CVE-2025-30400 exposure.

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Vulnerability Details

CVSS Base Score

7.8/ 10

Vector

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

Published Date

May 13, 2025

Last Modified

May 16, 2025

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