CVE-2020-1349

Name: CVE-2020-1349
Creator: NVD / NIST
Published: 2020-07-14T23:15:13.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 22.50%

Last modified Jun 17, 2026

CVE-2020-1349 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka 'Microsoft Outlook Remote Code Execution Vulnerability'.. EPSS estimates a 22.50% chance of exploitation in the next 30 days.

Description

A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka 'Microsoft Outlook Remote Code Execution Vulnerability'.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

22.50%

97.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	365 Apps	All versions	—
Microsoft	Office	2019	—
Microsoft	Outlook	2010	Sp2
Microsoft	Outlook	2013	Sp1
Microsoft	Outlook	2016	—

References

http://packetstormsecurity.com/files/169959/Microsoft-Outlook-2019-16.0.12624.20424-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1349Patch, Vendor Advisory
http://packetstormsecurity.com/files/169959/Microsoft-Outlook-2019-16.0.12624.20424-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1349Patch, Vendor Advisory

Timeline

Published: Jul 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1349?

A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka 'Microsoft Outlook Remote Code Execution Vulnerability'.

How severe is CVE-2020-1349?

CVE-2020-1349 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 22.50% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1349?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1349?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST