CVE-2026-25189

HIGH
2026-03-10 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:18 nvd
HIGH 7.8

Tags

Use After Free Microsoft Denial Of Service Memory Corruption Windows 10 21h2 Windows 10 1809 Windows Server 2019 Windows 10 22h2 Windows Server 2022 Windows

Description

Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Analysis

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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Remediation

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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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

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CVE-2026-25189 vulnerability details – vuln.today
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