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7.8
Windows DWM Core Library Privilege Elevation Vulnerability
CVE-2026-25189
Summary
A security weakness in Windows' DWM Core Library could allow an authorized user to gain elevated access to a system. This means an attacker with valid permissions could potentially take control of the system. Patching the affected software is necessary to prevent exploitation.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| microsoft | windows_10_1809 | <= 10.0.17763.8511 | – |
| microsoft | windows_10_1809 | <= 10.0.17763.8511 | – |
| microsoft | windows_10_21h2 | <= 10.0.19044.7058 | – |
| microsoft | windows_10_21h2 | <= 10.0.19044.7058 | – |
| microsoft | windows_10_21h2 | <= 10.0.19044.7058 | – |
| microsoft | windows_10_22h2 | <= 10.0.19045.7058 | – |
| microsoft | windows_10_22h2 | <= 10.0.19045.7058 | – |
| microsoft | windows_10_22h2 | <= 10.0.19045.7058 | – |
| microsoft | windows_server_2019 | <= 10.0.17763.8511 | – |
| microsoft | windows_server_2022 | <= 10.0.20348.4830 | – |
Original title
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
Original description
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
nvd CVSS3.1
7.8
Vulnerability type
CWE-416
Use After Free
Published: 10 Mar 2026 · Updated: 14 Mar 2026 · First seen: 11 Mar 2026