8.8
Advisory Published
CVE Published
Updated

CVE-2021-1673: Remote Procedure Call Runtime Remote Code Execution Vulnerability

First published: Tue Jan 12 2021(Updated: )

Remote Procedure Call Runtime Remote Code Execution Vulnerability

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Server=1909
Microsoft Windows 7
Microsoft Windows Server 2012 R2
Microsoft Windows Server=2004
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2
Microsoft Windows 7
Microsoft Windows Server=20H2
Microsoft Windows RT
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows 8.1
Microsoft Windows 8.1
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Windows 10=20H2
Windows 10=20H2
Windows 10=1803
Windows 10=1809
Windows 10=1809
Windows 10=1809
Windows 10=1607
Windows 10=1607
Windows 10=1909
Windows 10=1909
Windows 10=1909
Windows 10
Windows 10=1803
Windows 10=1803
Windows 10
Windows 10=2004
Windows 10=2004
Windows 10=2004
Windows 10
Windows 10=20h2
Windows 10=1607
Windows 10=1803
Windows 10=1809
Windows 10=1909
Windows 10=2004
Microsoft Windows 7=sp1
Microsoft Windows
Microsoft Windows RT
Microsoft Windows Server=sp2
Microsoft Windows Server=r2-sp1
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2021-1673?

    CVE-2021-1673 has a severity rating of Critical, indicating a high potential impact if exploited.

  • How do I fix CVE-2021-1673?

    To fix CVE-2021-1673, apply the security updates provided by Microsoft for the affected Windows operating systems.

  • What versions of Windows are affected by CVE-2021-1673?

    CVE-2021-1673 affects multiple versions of Windows, including Windows 7, Windows 10, Windows Server 2016, and Windows Server 2019.

  • Is CVE-2021-1673 a remote code execution vulnerability?

    Yes, CVE-2021-1673 is a remote code execution vulnerability that could allow an attacker to run arbitrary code on the affected system.

  • Can exploiting CVE-2021-1673 lead to data theft?

    Yes, successful exploitation of CVE-2021-1673 could allow attackers to steal sensitive data and compromise the security of the affected system.

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.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203