CVE-2026-25189

EUVD-2026-10663
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
7.8 HIGH
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
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Windows Releases
Platform
Version
Windows 10
1809 (x64, x86)
KB5078752
21H2 (arm64, x64, x86)
KB5078885
22H2 (arm64, x64, x86)
KB5078885
Windows Server 2019
Server Core
KB5078752
Standard
KB5078752
Windows Server 2022
Server Core
KB5078737
Standard
KB5078737
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25189