CVE-2026-55124 MEDIUM

CVE-2026-55124: Microsoft Word Information Disclosure Vulnerability

Vendor Microsoft
Product Microsoft 365 Apps for Enterprise
Weakness CWE-1287
Published July 14, 2026
Last update July 24, 2026

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity None

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

What the vulnerability does

01Description

Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Key dates

02Disclosure timeline

July 14, 2026 CVE published
July 24, 2026 Record updated