HIGHCVE-2026-42896Published Modified CNA microsoft
CVE-2026-42896: Windows DWM Core Library Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
Metrics
- CVSS v3.1
- 7.8
- Severity
- HIGH
- Fixed in
- 10.0.26100.8457
- Affected Products
- 5
Fix available
10.0.26100.845710.0.26100.3286010.0.26200.845710.0.28000.2113
Affected packages
- Microsoft / Windows 11 Version 24H2< 10.0.26100.8457 (from 10.0.26100.0)
- Microsoft / Windows 11 Version 25H2< 10.0.26200.8457 (from 10.0.26200.0)
- Microsoft / Windows 11 version 26H1< 10.0.28000.2113 (from 10.0.28000.0)
- Microsoft / Windows Server 2025< 10.0.26100.32860 (from 10.0.26100.0)
- Microsoft / Windows Server 2025 (Server Core installation)< 10.0.26100.32860 (from 10.0.26100.0)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C