EUVD-2026-22477

| CVE-2026-27926 HIGH
2026-04-14 microsoft
Information Disclosure Race Condition Microsoft 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 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 - 19:16 vuln.today

DescriptionNVD

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

AnalysisAI

Local privilege escalation in Windows Cloud Files Mini Filter Driver (all Windows 10/11 and Server 2019/2022/2025 versions) allows low-privileged authenticated users to gain SYSTEM-level access through a race condition vulnerability. Attack requires high complexity timing manipulation of shared resources in the kernel-mode filter driver. …

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RemediationAI

Within 24 hours: Identify all Windows 10, 11, Server 2019, 2022, and 2025 systems in your environment using WSUS, SCCM, or inventory tools. Within 7 days: Deploy vendor-released patches to all affected systems via your standard patch management process; prioritize multi-user systems and shared workstations. …

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EUVD-2026-22477 vulnerability details – vuln.today
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