#VU59476 Code Injection in Microsoft products - CVE-2022-21840

 

#VU59476 Code Injection in Microsoft products - CVE-2022-21840

Published: January 11, 2022


Vulnerability identifier: #VU59476
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-21840
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Microsoft SharePoint Server
Microsoft Office Web Apps Server
Microsoft Office
Microsoft Excel
Office Online Server
Software vendor:
Microsoft

Description

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

The vulnerability exists due to improper input validation in Microsoft Office. A remote attacker can trick a victim to open a specially crafted file, and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links