EUVD-2026-22462

| CVE-2026-27918 HIGH
2026-04-14 microsoft GHSA-r922-wwg3-2m7q
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
7.8
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

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

AnalysisAI

Windows Shell privilege escalation affects Windows 10 (1809+), Windows 11 (all versions through 26H1), and Windows Server 2019-2025 via a race condition vulnerability (CWE-362). Local authenticated attackers with low-privilege access can exploit concurrent execution flaws to gain SYSTEM-level privileges with low attack complexity and no user interaction required (CVSS 7.8). …

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RemediationAI

Within 24 hours: Identify and document all Windows 10 (1809+), Windows 11, and Windows Server 2019-2025 systems in your environment; prioritize servers and systems hosting sensitive applications. Within 7 days: Apply vendor-released patches to all affected systems, beginning with critical infrastructure and servers; validate patch application through automated compliance scanning. …

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EUVD-2026-22462 vulnerability details – vuln.today
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