CVE-2026-69299

Microsoft · Published September 8, 2026

7.0

CVSS v3.1

HIGH

Patch availableGet patch

Description

Microsoft COM for Windows Elevation of Privilege Vulnerability. Use after free in Microsoft COM for Windows 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:U/C:H/I:H/A:H/E:U/RL:O/RC:C