CyberICT

CVE-2026-27927

Microsoft · Published April 14, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

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

Affected Products

  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 21H2 for 32-bit Systems

CVSS Vector

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