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CVE-2020-16949

nvd nist
Published: Oct 16, 2020Modified: Feb 23, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD (Secondary)

Description

<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>

Affected (26)

11 products
Windows 10
Windows 7
Windows 8.1
Windows Rt 8.1
Windows Server 2008
Windows Server 2012
Windows Server 2016
Windows Server 2019
365 Apps
Office
Outlook
Configuration A
20 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
All versions
Version 1607
Version 1709
Version 1803
Version 1809
Version 1903
Version 1909
Version 2004
All versions
All versions
All versions
Microsoft
All versions
Version r2 sp1
Microsoft
All versions
Version r2
Microsoft
All versions
Version 1903
Version 1909
Version 2004
All versions
Configuration B
6 vulnerable
Vulnerable SoftwareAffected Versions
All versions
Version 2019
Microsoft
Version 2010 sp2
Version 2013 sp1
Version 2013 sp1
Version 2016

References (2)

Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.