Main Vulnerability Database Vulnerabilities #VU58907

#VU58907 Code Injection in Microsoft products - CVE-2021-43256

Published: December 14, 2021

Vulnerability identifier: #VU58907

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-2021-43256

CWE-ID: CWE-94

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Office Online Server
Microsoft Office
Microsoft Excel
Microsoft Office Web Apps 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 Excel. A remote attacker can execute arbitrary code on the target system.

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

Install updates from vendor's website.