A Security Update has been released for Outlook 2013. It resolves the following vulnerability;
- CVE-2020-16949: Microsoft Outlook Denial of Service Vulnerability
A denial of service vulnerability exists in Microsoft Outlook software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could cause a remote denial of service against a system.
Exploitation of the vulnerability requires that a specially crafted email be sent to a vulnerable Outlook server.
The security update addresses the vulnerability by correcting how Microsoft Outlook handles objects in memory.