Affected: Microsoft Office 2019, Microsoft 365 Apps for Enterprise, Microsoft Outlook 2016, Microsoft Outlook 2013 Service Pack 1, Microsoft Outlook 2010 Service Pack 2

<p>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.</p> <p>Exploitation of the vulnerability requires that a specially crafted email be sent to a vulnerable Outlook server.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Outlook handles objects in memory.</p>