What is the severity of CVE-2021-1667?

CVE-2021-1667 has been rated as critical due to its potential for remote code execution.

How do I fix CVE-2021-1667?

To fix CVE-2021-1667, apply the patches released by Microsoft for the affected products.

Which software versions are affected by CVE-2021-1667?

CVE-2021-1667 affects various versions of Microsoft Windows, including Windows 10, Windows Server 2016, and Windows 7, among others.

Can CVE-2021-1667 be exploited remotely?

Yes, CVE-2021-1667 can be exploited remotely, allowing attackers to execute arbitrary code on a vulnerable system.

What products does CVE-2021-1667 impact?

CVE-2021-1667 impacts Microsoft products including Windows Server 2016, Windows 10, and Windows Server 2008 R2.

Vulnerability/
CVE-2021-1667

critical

12/1/2021

8/10/2024

CVE-2021-1667: 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 Software	Affected Version	How to fix
Microsoft Windows Server 2008 R2		fix available externally fix available externally
Microsoft Windows Server	=20H2	fix available externally
Microsoft Windows Server 2012 R2		fix available externally fix available externally
Microsoft Windows 7		fix available externally fix available externally
Microsoft Windows Server	=1909	fix available externally
Microsoft Windows Server 2012 R2		fix available externally fix available externally
Microsoft Windows Server	=2004	fix available externally
Microsoft Windows Server 2008 R2		fix available externally fix available externally
Microsoft Windows 7		fix available externally fix available externally
Microsoft Windows RT		fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows 8.1		fix available externally fix available externally
Microsoft Windows 8.1		fix available externally fix available externally
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server 2016		fix available externally
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
Windows 10	=20H2	fix available externally
Windows 10	=20H2	fix available externally
Windows 10	=1803	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1607	fix available externally
Windows 10	=1607	fix available externally
Windows 10	=1909	fix available externally
Windows 10	=1909	fix available externally
Windows 10	=1909	fix available externally
Windows 10		fix available externally
Windows 10	=1803	fix available externally
Windows 10	=1803	fix available externally
Windows 10		fix available externally
Windows 10	=2004	fix available externally
Windows 10	=2004	fix available externally
Windows 10	=2004	fix available externally

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1667

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-1667?
CVE-2021-1667 has been rated as critical due to its potential for remote code execution.
How do I fix CVE-2021-1667?
To fix CVE-2021-1667, apply the patches released by Microsoft for the affected products.
Which software versions are affected by CVE-2021-1667?
CVE-2021-1667 affects various versions of Microsoft Windows, including Windows 10, Windows Server 2016, and Windows 7, among others.
Can CVE-2021-1667 be exploited remotely?
Yes, CVE-2021-1667 can be exploited remotely, allowing attackers to execute arbitrary code on a vulnerable system.
What products does CVE-2021-1667 impact?
CVE-2021-1667 impacts Microsoft products including Windows Server 2016, Windows 10, and Windows Server 2008 R2.

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