CyberICT

CVE-2026-70329

Microsoft · Published August 11, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Microsoft Outlook Remote Code Execution Vulnerability. Integer overflow or wraparound in Microsoft Office Outlook 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