Vulnerability identifier: #VU58071
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-94
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft 365 Apps for Enterprise
Client/Desktop applications /
Office applications
Microsoft Office LTSC 2021
Other software /
Other software solutions
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 Word. A remote attacker can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft 365 Apps for Enterprise:
Microsoft Office LTSC 2021: 32 bit editions - 64 bit editions
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42296
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.