CVE-2026-48571

Microsoft · Published July 14, 2026

7.0

CVSS v3.1

HIGH

Patch availableGet patch

Description

Windows App Package Installer Elevation of Privilege Vulnerability. Use after free in Windows App Installer 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 23H2 for ARM64-based Systems

CVSS Vector

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