KLA61592
DoS vulnerability in Microsoft Office

Heap buffer overflow vulnerability was found in Microsoft Office. Malicious users can exploit this vulnerability to cause denial of service.

Public exploits exist for this vulnerability.

Microsoft Teams for Mac
Microsoft Teams for Desktop

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update component usually can be accessed from the Control Panel) and updates from the Update Options section, that are listed in your Office Account (Office Account tab usually can be accessed from the File menu)
Install Office updates