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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
VendorProductAffected versionsFix 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