Windows CVE-2026-25189
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
AnalysisAI
Privilege escalation in Windows DWM Core Library affects Windows 10 versions 21H2 and 1809 through a use-after-free memory corruption vulnerability that allows authenticated local attackers to gain system-level privileges. The vulnerability requires local access and valid user credentials but no user interaction, creating a significant risk for multi-user systems. …
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RemediationAI
Within 24 hours: inventory all Windows systems and identify those running vulnerable DWM versions; restrict local administrator account access and enforce stronger authentication controls. Within 7 days: implement network segmentation to limit lateral movement from compromised accounts; enhance monitoring for suspicious privilege escalation attempts. …
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