Code Injection in Microsoft SharePoint Server and Microsoft Word - CVE-2022-21842

 

Code Injection in Microsoft SharePoint Server and Microsoft Word - CVE-2022-21842

Published: January 11, 2022


Vulnerability identifier: #VU59443
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-21842
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper input validation in Microsoft Word. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

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


Affected software

Microsoft SharePoint Server
Microsoft Word

How to mitigate CVE-2022-21842

Install updates from vendor's website.


External References

Related Security Bulletins