Exploited
CWE
416
Advisory Published
Updated

CVE-2021-31166: HTTP Protocol Stack Remote Code Execution Vulnerability

First published: Tue May 11 2021(Updated: )

HTTP Protocol Stack Remote Code Execution Vulnerability

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

Affected SoftwareAffected VersionHow to fix
Microsoft HTTP Protocol Stack
Microsoft Windows 10<10.0.19041.982
Microsoft Windows 10<10.0.19042.982
Microsoft Windows Server 2004<10.0.19041.982
Microsoft Windows Server 20H2<10.0.19042.982
Windows 10=20h2
Windows 10=2004
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=2004

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Frequently Asked Questions

  • What is the severity of CVE-2021-31166?

    CVE-2021-31166 has a critical severity rating due to its potential for remote code execution.

  • How do I fix CVE-2021-31166?

    To fix CVE-2021-31166, Microsoft recommends applying the latest security updates for affected Windows operating systems.

  • What systems are affected by CVE-2021-31166?

    CVE-2021-31166 affects Microsoft Windows 10 versions 20H2 and 2004, as well as Windows Server 2016.

  • Can CVE-2021-31166 be exploited remotely?

    Yes, CVE-2021-31166 can be exploited remotely, allowing attackers to execute arbitrary code on vulnerable systems.

  • What components are involved in CVE-2021-31166?

    CVE-2021-31166 specifically involves the Microsoft HTTP Protocol Stack and the http.sys driver.

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