CVE-2020-16949

MEDIUM

Microsoft Outlook - Denial of Service via Specially Crafted Email

Title source: llm
STIX 2.1

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>

References (1)

Core 1
Core References

Scores

CVSS v3 4.7
EPSS 0.0275
EPSS Percentile 84.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (25)
microsoft/365_apps
microsoft/office 2019
microsoft/outlook 2010 sp2
microsoft/outlook 2013 sp1 (2 CPE variants)
microsoft/outlook 2016
microsoft/windows_10
microsoft/windows_10 1607
microsoft/windows_10 1709
microsoft/windows_10 1803
microsoft/windows_10 1809
... and 15 more
Published Oct 16, 2020
Tracked Since Feb 18, 2026