CyberICT

CVE-2026-50458

Microsoft · Published July 22, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Microsoft Brokering File System Elevation of Privilege Vulnerability. Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Affected Products

  • Windows Server 2025 (Server Core installation)
  • Windows 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based 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