EUVD-2026-22410

| CVE-2026-26174 HIGH
2026-04-14 microsoft
Information Disclosure Race Condition 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 - 19:14 vuln.today

DescriptionNVD

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally.

AnalysisAI

Windows Server Update Service (WSUS) race condition enables local privilege escalation to SYSTEM on Windows 10, 11, and Server 2012-2025. Authenticated users with low-level privileges can exploit improper synchronization in concurrent execution paths to gain full system control. …

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RemediationAI

Within 24 hours: Inventory all Windows 10, 11, and Server 2012-2025 systems running WSUS and verify patch status in your CMDB. Within 7 days: Test the vendor-released patch in a non-production environment and prepare deployment schedule; restrict local user account creation and review privileged user access on critical WSUS servers. …

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EUVD-2026-22410 vulnerability details – vuln.today
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