CyberICT

CVE-2026-20806

Microsoft · Published April 14, 2026

CVSS v3.1

MEDIUM
Patch availableGet patch

Description

Windows COM Server Information Disclosure Vulnerability. Access of resource using incompatible type ('type confusion') in Windows COM allows an authorized attacker to disclose information locally.

Affected Products

  • Windows 11 Version 26H1 for ARM64-based Systems
  • Windows 11 version 26H1 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems

CVSS Vector

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