EUVD-2026-22483

| CVE-2026-27929 HIGH
2026-04-14 microsoft GHSA-fqv3-v28j-57fx
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
7.0
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

1
Analysis Generated
Apr 14, 2026 - 19:17 vuln.today

DescriptionNVD

Time-of-check time-of-use (toctou) race condition in Windows LUAFV allows an authorized attacker to elevate privileges locally.

AnalysisAI

Windows LUAFV driver privilege escalation via TOCTOU race condition allows authenticated local attackers with low privileges to gain SYSTEM-level access across all supported Windows 10, Windows 11, and Windows Server versions (2012 through 2025). The vulnerability requires high attack complexity to exploit the narrow timing window between security checks and file operations. …

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RemediationAI

Within 24 hours: Confirm patch availability and version requirements for your Windows environment (Windows 10, 11, and Server 2012-2025). Within 7 days: Deploy vendor-released patches to all affected systems using your standard change management process; prioritize domain-joined workstations and servers with sensitive data or administrative functions. …

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EUVD-2026-22483 vulnerability details – vuln.today
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