Code Injection in Microsoft products - CVE-2021-27057

 

Code Injection in Microsoft products - CVE-2021-27057

Published: March 9, 2021 / Updated: March 18, 2021


Vulnerability identifier: #VU51333
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-2021-27057
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 within the Graph COM object in Microsoft Office. 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 Excel
Microsoft Office
Microsoft Office Web Apps
Office Online Server

How to mitigate CVE-2021-27057

Install updates from vendor's website.


External References

Related Security Bulletins