CyberICT

CVE-2026-50487

Microsoft · Published July 14, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Windows DNS Client Elevation of Privilege Vulnerability. Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.

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