CVE-2026-20944 HIGH

CVE-2026-20944: Microsoft Word Remote Code Execution Vulnerability

Vendor Microsoft
Product Microsoft 365 Apps for Enterprise
Weakness CWE-125
Published January 13, 2026
Last update April 1, 2026

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
April 1, 2026 Record updated