CVE-2021-41342: Windows MSHTML Platform Remote Code Execution Vulnerability

Published Oct 13, 2021
·
Updated

Windows MSHTML Platform Remote Code Execution Vulnerability

Affected Software

19 affected components
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 11
Microsoft Windows 11
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022

Event History

Oct 13, 2021
CVE Published
12:28 AM
Data Sourced
12:28 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-41342?

CVE-2021-41342 has been rated as critical due to its ability to allow remote code execution.

2

How do I fix CVE-2021-41342?

To fix CVE-2021-41342, update your affected Windows operating system to the latest security patch provided by Microsoft.

3

Which systems are affected by CVE-2021-41342?

CVE-2021-41342 affects various Windows versions including Windows 10, Windows 11, Windows 7, Windows 8.1, and several Windows Server editions.

4

What are the potential impacts of exploiting CVE-2021-41342?

Exploitation of CVE-2021-41342 could allow an attacker to execute arbitrary code on the affected system with the same privileges as the user.

5

Is there a workaround for CVE-2021-41342?

Currently, the recommended mitigation for CVE-2021-41342 is to apply the latest updates from Microsoft as there are no reliable workarounds available.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203