7.8
Advisory Published
Updated

CVE-2021-31193: Windows SSDP Service Elevation of Privilege Vulnerability

First published: Tue May 11 2021(Updated: )

Windows SSDP Service Elevation of Privilege Vulnerability

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

Affected SoftwareAffected VersionHow to fix
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=1607
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT
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

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Frequently Asked Questions

  • What is the severity of CVE-2021-31193?

    CVE-2021-31193 has a CVSS score that indicates it is a high-severity elevation of privilege vulnerability.

  • How do I fix CVE-2021-31193?

    To fix CVE-2021-31193, apply the latest security updates provided by Microsoft for your affected Windows version.

  • Which Windows versions are affected by CVE-2021-31193?

    CVE-2021-31193 affects various versions of Windows 7, 8.1, 10, and Windows Server editions.

  • What type of vulnerability is CVE-2021-31193?

    CVE-2021-31193 is classified as an elevation of privilege vulnerability within the SSDP service.

  • Can CVE-2021-31193 be exploited remotely?

    Exploitation of CVE-2021-31193 requires local access to the system, making it less likely to be exploited remotely.

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