CVE-2026-20943 HIGH

CVE-2026-20943: Microsoft Office Click-To-Run Remote Code Execution Vulnerability

Vendor Microsoft
Product Microsoft Office 2016
Weakness CWE-426
Published January 13, 2026
Last update April 1, 2026
View on NVD All CVEs

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally.

Key dates

02Disclosure timeline

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