CVE-2026-27919

| EUVD-2026-22463 HIGH
2026-04-14 microsoft GHSA-p4gm-5fr5-gvj4
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
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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 - 19:16 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 (UPnP) Device Host affects all supported Windows versions from Server 2012 through Windows 11 26H1 and Server 2025. Authenticated local attackers with low privileges can exploit an untrusted pointer dereference (CWE-822) to achieve complete system compromise with high impact to confidentiality, integrity, and availability. …

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RemediationAI

Within 24 hours: Identify all Windows Server 2012-2025 and Windows 11 26H1 systems in your environment using asset inventory or CMDB. Within 7 days: Apply Microsoft-released patches to all affected systems, prioritizing domain controllers, file servers, and privileged access workstations. …

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CVE-2026-27919 vulnerability details – vuln.today
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