What is the severity of CVE-2021-26877?

CVE-2021-26877 has a CVSS score of 9.8, indicating critical severity.

What systems are affected by CVE-2021-26877?

CVE-2021-26877 affects various versions of Microsoft Windows Server, including 2008, 2012, 2016, and 2019.

How do I fix CVE-2021-26877?

To fix CVE-2021-26877, apply the latest security updates provided by Microsoft.

What type of vulnerability is CVE-2021-26877?

CVE-2021-26877 is a remote code execution vulnerability in Windows DNS Server.

Can CVE-2021-26877 be exploited remotely?

Yes, CVE-2021-26877 can be exploited remotely by attackers, potentially allowing them to execute arbitrary code.

Vulnerability/
CVE-2021-26877

critical

9.8

11/3/2021

3/8/2024

CVE-2021-26877: Windows DNS Server Remote Code Execution Vulnerability

First published: Thu Mar 11 2021(Updated: )

Windows DNS Server Remote Code Execution Vulnerability

Credit: secure@microsoft.com secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Windows Server 2008 Itanium	=sp2
Microsoft Windows Server 2008 Itanium	=r2-sp1
Microsoft Windows Server 2012 x64
Microsoft Windows Server 2012 x64	=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016	=20h2
Microsoft Windows Server 2016	=1909
Microsoft Windows Server 2016	=2004
Microsoft Windows Server 2019

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26877

Never miss a vulnerability like this again

Reference Links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26877

Frequently Asked Questions

What is the severity of CVE-2021-26877?
CVE-2021-26877 has a CVSS score of 9.8, indicating critical severity.
What systems are affected by CVE-2021-26877?
CVE-2021-26877 affects various versions of Microsoft Windows Server, including 2008, 2012, 2016, and 2019.
How do I fix CVE-2021-26877?
To fix CVE-2021-26877, apply the latest security updates provided by Microsoft.
What type of vulnerability is CVE-2021-26877?
CVE-2021-26877 is a remote code execution vulnerability in Windows DNS Server.
Can CVE-2021-26877 be exploited remotely?
Yes, CVE-2021-26877 can be exploited remotely by attackers, potentially allowing them to execute arbitrary code.

agent/type
agent/first-publish-date
agent/author
agent/description
agent/title
agent/references
agent/remedy
agent/severity
agent/event
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/source
agent/softwarecombine
agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/nvd-index
vendor/microsoft
canonical/microsoft windows server 2008 itanium
version/microsoft windows server 2008 itanium/sp2
version/microsoft windows server 2008 itanium/r2-sp1
canonical/microsoft windows server 2012 x64
version/microsoft windows server 2012 x64/r2
canonical/microsoft windows server 2016
version/microsoft windows server 2016/20h2
version/microsoft windows server 2016/1909
version/microsoft windows server 2016/2004
canonical/microsoft windows server 2019

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Contact

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Frequently Asked Questions

What is the severity of CVE-2021-26877?
CVE-2021-26877 has a CVSS score of 9.8, indicating critical severity.
What systems are affected by CVE-2021-26877?
CVE-2021-26877 affects various versions of Microsoft Windows Server, including 2008, 2012, 2016, and 2019.
How do I fix CVE-2021-26877?
To fix CVE-2021-26877, apply the latest security updates provided by Microsoft.
What type of vulnerability is CVE-2021-26877?
CVE-2021-26877 is a remote code execution vulnerability in Windows DNS Server.
Can CVE-2021-26877 be exploited remotely?
Yes, CVE-2021-26877 can be exploited remotely by attackers, potentially allowing them to execute arbitrary code.