CVE-2026-32154

| EUVD-2026-22540 HIGH
2026-04-14 microsoft GHSA-j48c-2rrx-55wc
Denial Of Service Use After Free Memory Corruption Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 Windows 11 Version 22H3 Windows 11 Version 23H2 Windows 11 Version 24H2 Windows 11 Version 25H2 Windows 11 Version 26H1 Windows Server 2016 Windows Server 2016 Server Core Installation Windows Server 2019 Windows Server 2019 Server Core Installation Windows Server 2022 Windows Server 2022 23H2 Edition Server Core Installation Windows Server 2025 Windows Server 2025 Server Core Installation
7.8
CVSS 3.1
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CVSS VectorNVD

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

1
Analysis Generated
Apr 14, 2026 - 19:19 vuln.today

DescriptionNVD

Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

AnalysisAI

Local privilege escalation in Microsoft Desktop Window Manager (dwm.exe) affects all supported Windows 10, Windows 11, and Windows Server versions via a use-after-free memory corruption flaw. Authenticated local attackers with low privileges can exploit this CWE-416 weakness to gain SYSTEM-level access with low attack complexity, requiring no user interaction. …

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RemediationAI

Within 24 hours: Inventory all Windows 10, Windows 11, and Windows Server 2016-2025 systems in your environment and identify current patch levels. Within 7 days: Deploy vendor-released patches across Windows 10 (all versions through 26H1), Windows 11 (all versions through 26H1), and Windows Server 2016-2025; prioritize systems with high-value assets or administrative users. …

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CVE-2026-32154 vulnerability details – vuln.today
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