CyberICT

CVE-2026-26172

Microsoft · Published April 14, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

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

Affected Products

  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C