CVE-2023-21542: Windows Installer Elevation of Privilege Vulnerability

Published Jan 10, 2023
·
Updated

Windows Installer Elevation of Privilege Vulnerability

Affected Software

36 affected componentsFixes available
Microsoft Windows Server 2012 R2
Patch availablePatch available
Microsoft Windows Server 2012 R2
Patch availablePatch available
Microsoft Windows 7
Patch availablePatch available
Microsoft Windows 7
Patch availablePatch available
Microsoft Windows RT 8.1
Patch available
Microsoft Windows Server 2012
Patch availablePatch available
Microsoft Windows Server 2012
Patch availablePatch available
Microsoft Windows Server 2008
Patch availablePatch available
Microsoft Windows Server 2008
Patch availablePatch available
Microsoft Windows Server 2008
Patch availablePatch available
Microsoft Windows Server 2008
Patch availablePatch available
Microsoft Windows 8.1 for x64-based systems
Patch availablePatch available
Microsoft Windows 8.1 for 32-bit systems
Patch availablePatch available
Microsoft Windows Server 2016
Patch available
Microsoft Windows Server 2016
Patch available
Microsoft Windows 10 1607
Microsoft Windows 10 1607
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
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
Microsoft Windows 10=1607
Patch available
Microsoft Windows 10=1607
Patch available
Microsoft Windows 10
Patch available
Microsoft Windows 10
Patch available
Microsoft Windows Server 2008 R2
Patch availablePatch available
Microsoft Windows Server 2008 R2
Patch availablePatch available

Event History

Jan 10, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverity
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2023-21542?

CVE-2023-21542 is a Windows Installer Elevation of Privilege vulnerability.

2

What is the severity of CVE-2023-21542?

CVE-2023-21542 has a severity rating of high.

3

Which software products are affected by CVE-2023-21542?

Affected software products include Microsoft Windows Server 2016, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows RT 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2019, and Microsoft Windows Server 2022.

4

How can I fix CVE-2023-21542?

You can fix CVE-2023-21542 by applying the relevant patches provided by Microsoft.

5

Where can I find more information about CVE-2023-21542?

You can find more information about CVE-2023-21542 on the Microsoft Security Response Center website.

Company

Resources

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