CVE-2021-28440: Windows Installer Elevation of Privilege Vulnerability

Published Apr 13, 2021
·
Updated

Windows Installer Elevation of Privilege 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=sp2
Microsoft Windows Server 2008=r2-sp1
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
07:33 PM
Data Sourced
07:33 PM
DescriptionSeverity
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-28440?

CVE-2021-28440 has a severity rating of 'Important' as it can lead to elevation of privilege on affected systems.

2

How do I fix CVE-2021-28440?

To fix CVE-2021-28440, apply the latest security updates provided by Microsoft for your affected version of Windows.

3

Which versions of Windows are affected by CVE-2021-28440?

CVE-2021-28440 affects multiple versions of Windows including Windows 10, Windows 7, Windows 8.1, and various Windows Server versions.

4

What type of vulnerability is CVE-2021-28440?

CVE-2021-28440 is classified as an elevation of privilege vulnerability that can allow an attacker to execute arbitrary code.

5

Can CVE-2021-28440 be exploited remotely?

CVE-2021-28440 requires local access to the target machine, meaning it cannot be exploited remotely.

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