#VU121455 Untrusted search path in Microsoft products - CVE-2026-20943

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Main Vulnerability Database Vulnerabilities #VU121455

#VU121455 Untrusted search path in Microsoft products - CVE-2026-20943

Published: January 14, 2026


Vulnerability identifier: #VU121455
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-20943
CWE-ID: CWE-426
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Microsoft SharePoint Server
Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Enterprise Server
Microsoft Office
Office Deployment Tool
Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to usage of an untrusted search path in Microsoft Office Click-To-Run. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code with escalated privileges.


Remediation

Install updates from vendor's website.

External links