EUVD-2026-22382

| CVE-2026-26159 HIGH
2026-04-14 microsoft GHSA-9j2x-hvfg-jjrf
Authentication Bypass 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
Temporal: 6.8
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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 - 19:26 vuln.today

DescriptionNVD

Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.

AnalysisAI

Local privilege escalation in Windows Remote Desktop Licensing Service (affecting Windows 10 1607 through Windows Server 2025) allows low-privileged authenticated users to gain SYSTEM-level access by exploiting missing authentication on critical service functions. The vulnerability (CWE-306) requires local access and low-privilege credentials but enables complete system compromise with low attack complexity. …

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RemediationAI

Within 24 hours: Inventory all Windows 10 (1607+) and Windows Server instances in your environment. Within 7 days: Apply vendor-released patches to all affected systems, prioritizing servers and systems with sensitive data access; test in non-production environment first. …

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EUVD-2026-22382 vulnerability details – vuln.today
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