Is Race Condition affected by CVE-2026-26167?

CVE-2026-26167 is a high-severity local privilege escalation in Windows Push Notifications affecting Windows 10, 11, and Server 2016-2025 that allows authenticated users with low privileges to gain SYSTEM-level access.

CVE-2026-26167

EUVD-2026-22396 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 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

8.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Apr 14, 2026 - 19:13 vuln.today

DescriptionNVD

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

AnalysisAI

Local privilege escalation in Windows Push Notifications across Windows 10/11 and Server 2016-2025 allows low-privileged authenticated users to gain SYSTEM-level access via race condition exploitation. The vulnerability affects all currently supported Windows versions with confirmed vendor patches available. …

RemediationAI

Within 24 hours: Inventory all Windows 10, 11, and Server 2016-2025 systems in your environment and confirm current patch levels. Within 7 days: Apply vendor-released security updates to all affected systems-prioritize domain controllers, privileged access workstations, and systems handling sensitive data. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-26167 vulnerability details – vuln.today

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CVE-2026-26167

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

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External POC / Exploit Code