CVE-2020-1064

Name: CVE-2020-1064
Creator: NVD / NIST
Published: 2020-05-21T23:15:12.633+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 7.17%

Last modified Jun 17, 2026

CVE-2020-1064 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input.An attacker could execute arbitrary code in the context of the current user, aka 'MSHTML Engine Remote Code Execution Vulnerability'.. EPSS estimates a 7.17% chance of exploitation in the next 30 days.

Description

A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input.An attacker could execute arbitrary code in the context of the current user, aka 'MSHTML Engine Remote Code Execution Vulnerability'.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

7.17%

93.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Internet Explorer	9
Microsoft	Internet Explorer	11

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1064Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1064Patch, Vendor Advisory

Timeline

Published: May 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1064?

How severe is CVE-2020-1064?

CVE-2020-1064 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 7.17% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1064?

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-2020-1064?

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

Scan your code now

Source: NVD / NIST