EUVD-2026-22388

| CVE-2026-26162 HIGH
2026-04-14 microsoft
Information Disclosure Memory Corruption Microsoft 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 2012 Windows Server 2012 Server Core Installation Windows Server 2012 R2 Windows Server 2012 R2 Server Core Installation 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 - 19:13 vuln.today

DescriptionNVD

Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized attacker to elevate privileges locally.

AnalysisAI

Type confusion in Windows OLE (Object Linking and Embedding) enables authenticated local attackers to escalate privileges across all supported Windows 10, 11, and Server versions (2012-2025). The memory corruption flaw allows low-privileged users to execute code with elevated permissions through incompatible type handling. …

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RemediationAI

Within 24 hours: Identify all Windows 10, 11, and Server 2012-2025 systems in your environment and verify current patch levels using WSUS or endpoint management tools. Within 7 days: Deploy vendor-released patches to all affected Windows versions through your standard change management process, prioritizing servers and administrative workstations. …

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EUVD-2026-22388 vulnerability details – vuln.today
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