CyberICT

CVE-2026-62870

Microsoft · Published July 31, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Microsoft Excel Remote Code Execution Vulnerability. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Affected Products

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