CVE-2021-26413: Windows Installer Spoofing Vulnerability

Published Apr 13, 2021
·
Updated

Windows Installer Spoofing Vulnerability

Affected Software

19 affected components
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=1607
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019

Event History

Apr 13, 2021
CVE Published
07:32 PM
Data Sourced
07:32 PM
DescriptionSeverity
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-26413?

CVE-2021-26413 is rated as important severity by Microsoft.

2

How do I fix CVE-2021-26413?

To fix CVE-2021-26413, ensure that you install the latest security updates provided by Microsoft for your affected Windows version.

3

Which software versions are vulnerable to CVE-2021-26413?

CVE-2021-26413 affects various versions of Windows 10, Windows 7, Windows 8.1, and several Windows Server editions.

4

Is CVE-2021-26413 a remote code execution vulnerability?

No, CVE-2021-26413 is a spoofing vulnerability that might allow an attacker to mislead a user into executing untrusted content.

5

What should I do if I suspect exploitation of CVE-2021-26413?

If you suspect exploitation of CVE-2021-26413, immediately apply the recommended security patches and monitor for suspicious activity.

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