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High 7.8Known exploited (CISA KEV)Published May 13, 2025
CVE-2025-30400Microsoft DWM Core Library Elevation of Privilege Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft Windows 10 Version 1809 and 10 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since May 13, 2025; federal agencies had to remediate by Jun 3, 2025. Treat that date as your deadline.
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Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
- Weakness (CWE)
- CWE-416
- Known exploited
- Added to CISA KEV May 13, 2025; federal remediation due Jun 3, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 1.92% (percentile 80)
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Feb 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Windows 10 Version 1809 microsoft:windows_10_1809 | from 10.0.17763.0 before 10.0.17763.7314 | CNA record |
Microsoft Windows 10 Version 21H2 microsoft:windows_10_21h2 | from 10.0.19044.0 before 10.0.19044.5854 | CNA record |
Microsoft Windows 10 Version 22H2 microsoft:windows_10_22h2 | from 10.0.19045.0 before 10.0.19045.5854 | CNA record |
Microsoft Windows 11 version 22H2 microsoft:windows_11_22h2 | from 10.0.22621.0 before 10.0.22621.5335 | CNA record |
Microsoft Windows 11 version 22H3 microsoft:windows_11_22h3 | from 10.0.22631.0 before 10.0.22631.5335 | CNA record |
Microsoft Windows 11 Version 23H2 microsoft:windows_11_23h2 | from 10.0.22631.0 before 10.0.22631.5335 | CNA record |
Microsoft Windows 11 Version 24H2 microsoft:windows_11_24h2 | from 10.0.26100.0 before 10.0.26100.4061 | CNA record |
Microsoft Windows Server 2019 microsoft:windows_server_2019 (from the name) | from 10.0.17763.0 before 10.0.17763.7314 | CNA record |
Microsoft Windows Server 2022 microsoft:windows_server_2022 (from the name) | from 10.0.20348.0 before 10.0.20348.3692 | CNA record |
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) microsoft:windows_server_2022_23h2 | from 10.0.25398.0 before 10.0.25398.1611 | CNA record |
Microsoft Windows Server 2025 microsoft:windows_server_2025 (from the name) | from 10.0.26100.0 before 10.0.26100.4061 | CNA record |
microsoft windows_10_1809 microsoft:windows_10_1809 | before 10.0.17763.7314; before 10.0.17763.7314 | NVD |
microsoft windows_10_21h2 microsoft:windows_10_21h2 | before 10.0.19044.5854 | NVD |
microsoft windows_10_22h2 microsoft:windows_10_22h2 | before 10.0.19045.5854 | NVD |
microsoft windows_11_22h2 microsoft:windows_11_22h2 | before 10.0.22621.5335 | NVD |
microsoft windows_11_23h2 microsoft:windows_11_23h2 | before 10.0.22631.5335 | NVD |
microsoft windows_11_24h2 microsoft:windows_11_24h2 | before 10.0.26100.3981 | NVD |
microsoft windows_server_2019 microsoft:windows_server_2019 | before 10.0.17763.7314 | NVD |
microsoft windows_server_2022 microsoft:windows_server_2022 | before 10.0.20348.3692 | NVD |
microsoft windows_server_2022_23h2 microsoft:windows_server_2022_23h2 | before 10.0.25398.1611 | NVD |
microsoft windows_server_2025 microsoft:windows_server_2025 | before 10.0.26100.3981 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30400vendor-advisory, patch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.