EUVD-2026-22466

| CVE-2026-27920 HIGH
2026-04-14 microsoft GHSA-2jf6-4m5x-vv8v
Information Disclosure 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
Temporal: 6.8
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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 - 19:29 vuln.today

DescriptionNVD

Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

AnalysisAI

Local privilege escalation in Windows Universal Plug and Play Device Host service affects all supported Windows 10, Windows 11, and Windows Server versions via untrusted pointer dereference (CWE-822). Low-complexity attack requires low-level authenticated access (PR:L) with no user interaction, enabling complete system compromise (C:H/I:H/A:H). …

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RemediationAI

Within 24 hours: Identify all Windows 10, Windows 11, and Windows Server systems in scope and verify current patch levels against May 2025 Microsoft security updates. Within 7 days: Deploy vendor-released patches to all affected systems prioritizing domain controllers, privileged access workstations, and systems with high-risk user populations. …

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EUVD-2026-22466 vulnerability details – vuln.today
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