high
8.8
CWE
294
Advisory Published
Updated

CVE-2021-31958: Windows NTLM Elevation of Privilege Vulnerability

First published: Tue Jun 08 2021(Updated: )

Windows NTLM 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=21h1
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2012
Microsoft Windows Server 2012=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-2021-31958

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-31958?

    CVE-2021-31958 is a Windows NTLM Elevation of Privilege Vulnerability.

  • Which software is affected by CVE-2021-31958?

    Microsoft Windows 10, Windows 7, Windows 8.1, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows Server 2016, and Windows Server 2019 are affected by CVE-2021-31958.

  • What is the severity of CVE-2021-31958?

    CVE-2021-31958 has a severity rating of 7.5 (high).

  • How can I fix CVE-2021-31958?

    Microsoft has released a security update to address CVE-2021-31958. Please refer to the official Microsoft security advisory for more information.

  • What is the Common Weakness Enumeration (CWE) for CVE-2021-31958?

    The CWE for CVE-2021-31958 is CWE-294 (Authentication Bypass by Capture-replay).

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