CVE-2025-30400
Microsoft Windows DWM Core Library Use-After-Free Vulnerability
Microsoft WindowsOperating systems
CVSS
7.8HighExploit odds (EPSS)1.92%Chance of exploitation activity in the next 30 days, higher than 79% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV
What fixes it
- 10.0.17763.7314Windows 10 Version 1809CVE List
- 10.0.19044.5854Windows 10 Version 21H2CVE List
- 10.0.19045.5854Windows 10 Version 22H2CVE List
- 10.0.22621.5335Windows 11 version 22H2CVE List
- 10.0.22631.5335Windows 11 version 22H3CVE List
- 10.0.22631.5335Windows 11 Version 23H2CVE List
Show all 13 fixed versions
- 10.0.26100.4061Windows 11 Version 24H2CVE List
- 10.0.17763.7314Windows Server 2019CVE List
- 10.0.17763.7314Windows Server 2019 (Server Core installation)CVE List
- 10.0.20348.3692Windows Server 2022CVE List
- 10.0.25398.1611Windows Server 2022, 23H2 Edition (Server Core installation)CVE List
- 10.0.26100.4061Windows Server 2025CVE List
- 10.0.26100.4061Windows Server 2025 (Server Core installation)CVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
Description
Microsoft Windows DWM Core Library contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.
Text from CVE List
Affected versions 13
- Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.7314CVE List
- Windows 10 Version 21H2affected: 10.0.19044.0 before 10.0.19044.5854CVE List
- Windows 10 Version 22H2affected: 10.0.19045.0 before 10.0.19045.5854CVE List
- Windows 11 version 22H2affected: 10.0.22621.0 before 10.0.22621.5335CVE List
- Windows 11 version 22H3affected: 10.0.22631.0 before 10.0.22631.5335CVE List
- Windows 11 Version 23H2affected: 10.0.22631.0 before 10.0.22631.5335CVE List
- Windows 11 Version 24H2affected: 10.0.26100.0 before 10.0.26100.4061CVE List
- Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.7314CVE List
- Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.7314CVE List
- Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.3692CVE List
- Windows Server 2022, 23H2 Edition (Server Core installation)affected: 10.0.25398.0 before 10.0.25398.1611CVE List
- Windows Server 2025affected: 10.0.26100.0 before 10.0.26100.4061CVE List
- Windows Server 2025 (Server Core installation)affected: 10.0.26100.0 before 10.0.26100.4061CVE List
References 4
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30400Fixvia CVE List
- msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-30400Referencevia CISA KEV
- nvd.nist.gov/vuln/detail/CVE-2025-30400Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400Referencevia CVE List