CVE-2026-88210 HIGH

CVE-2026-88210: Microsoft Office Word Security Feature Bypass Vulnerability

Vendor Microsoft
Product Microsoft 365 Apps for Enterprise
Weakness CWE-807
Published October 13, 2026
Last update October 23, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.

Key dates

02Disclosure timeline

October 13, 2026 CVE published
October 23, 2026 Record updated