CyberICT

CVE-2026-55139

Microsoft · Published July 14, 2026

CVSS v3.1

MEDIUM
Patch availableGet patch

Description

Microsoft Office Information Disclosure Vulnerability. Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

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