CVE-2020-16949

Microsoft Outlook Denial of Service Vulnerability

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>

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.80% Top 20%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft Office 2019
Affected: Microsoft Microsoft 365 Apps for Enterprise
Affected: Microsoft Microsoft Outlook 2016
Affected: Microsoft Microsoft Outlook 2013 Service Pack 1
Affected: Microsoft Microsoft Outlook 2010 Service Pack 2
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16949 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-16949?
CVE-2020-16949 has been scored as a medium severity vulnerability.
How to fix CVE-2020-16949?
To fix CVE-2020-16949, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-16949 being actively exploited in the wild?
It is possible that CVE-2020-16949 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-16949?
CVE-2020-16949 affects Microsoft Microsoft Office 2019, Microsoft Microsoft 365 Apps for Enterprise, Microsoft Microsoft Outlook 2016, Microsoft Microsoft Outlook 2013 Service Pack 1, Microsoft Microsoft Outlook 2010 Service Pack 2.
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