CVE-2020-16949

Microsoft Outlook Denial of Service Vulnerability

CVE-2020-16949 is fixed in 7 products on 1 platform, first by KB4486663, released October 13, 2020. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
4.7
Moderate
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0297
87th percentile

<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>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Outlook 2010 Service Pack 2 (32-bit editions) KB4486663 Oct 13, 2020
Microsoft Outlook 2010 Service Pack 2 (64-bit editions) KB4486663 Oct 13, 2020
Microsoft Outlook 2013 RT Service Pack 1 KB4484524 Oct 13, 2020
Microsoft Outlook 2013 Service Pack 1 (32-bit editions) KB4484524 Oct 13, 2020
Microsoft Outlook 2013 Service Pack 1 (64-bit editions) KB4484524 Oct 13, 2020
Microsoft Outlook 2016 (32-bit edition) KB4486671 Oct 15, 2020
Microsoft Outlook 2016 (64-bit edition) KB4486671 Oct 15, 2020

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