CyberICT

CVE-2026-55057

Microsoft · Published July 14, 2026

CVSS v3.1

MEDIUM
Patch availableGet patch

Description

Microsoft Office Information Disclosure Vulnerability. Integer overflow or wraparound 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:H/I:N/A:N/E:U/RL:O/RC:C