CVE-2020-1064: MSHTML Engine Remote Code Execution Vulnerability
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. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. In a HTML editing attack scenario, an attacker could trick a user into editing a specially crafted file that is designed to exploit the vulnerability. The security update addresses the vulnerability by modifying how MSHTML engine validates input.
Other sources
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'.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556798 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556846 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556813 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556826 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556799 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556812 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4551853 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch KB4556807
Event History
Frequently Asked Questions
What is CVE-2020-1064?
CVE-2020-1064 is a remote code execution vulnerability in the MSHTML engine that allows an attacker to execute arbitrary code in the context of the current user.
What software is affected by CVE-2020-1064?
Microsoft Internet Explorer versions 9 and 11 are affected by CVE-2020-1064.
What is the severity of CVE-2020-1064?
CVE-2020-1064 has a severity rating of 7.5, which is considered high.
How can I fix CVE-2020-1064?
To fix CVE-2020-1064, it is recommended to apply the latest security updates provided by Microsoft.
Where can I find more information about CVE-2020-1064?
You can find more information about CVE-2020-1064 on the Microsoft Security Guidance page: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1064