EUVD-2026-22430

| CVE-2026-26184 HIGH
2026-04-14 microsoft GHSA-4gmq-qmqj-mjvf
Buffer Overflow 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
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 - 19:28 vuln.today

DescriptionNVD

Buffer over-read in Windows Projected File System allows an authorized attacker to elevate privileges locally.

AnalysisAI

Windows Projected File System buffer over-read allows authenticated local attackers with low privileges to escalate to high integrity, potentially achieving SYSTEM-level access across Windows 10, Windows 11, and Windows Server platforms. This CWE-126 memory disclosure vulnerability scores 7.8 CVSS with straightforward exploitation (low complexity, no user interaction), affecting extensive Windows infrastructure from legacy 1809 through current 26H1 builds. …

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RemediationAI

Within 24 hours: Inventory all Windows 10 (1809+), Windows 11, and Windows Server systems in your environment and verify current patch levels. Within 7 days: Deploy vendor-released patches to all affected systems prioritizing Windows Server and administrative workstations; consult Microsoft's advisory for exact KB numbers and version-specific patch versions. …

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EUVD-2026-22430 vulnerability details – vuln.today
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