CyberICT

CVE-2026-65807

Microsoft · Published August 11, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Microsoft Excel Remote Code Execution Vulnerability. Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Affected Products

  • Microsoft Office 365 for Mac
  • Microsoft Office 2019 for 32-bit editions
  • Microsoft Office 2019 for 64-bit editions
  • Microsoft 365 Apps for Enterprise for 32-bit Systems

CVSS Vector

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