7.8
CWE
269
Advisory Published
CVE Published
Updated
Advisory Published

CVE-2021-42277: Microsoft Windows Diagnostics Hub Link Following Privilege Escalation Vulnerability

First published: Tue Nov 09 2021(Updated: )

Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Server=2004
Microsoft Windows Server=20H2
Microsoft Visual Studio 2019=16.11
Microsoft Visual Studio 2019=16.7
Microsoft Visual Studio 2019=16.9
Microsoft Visual Studio 2017=15.9
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Visual Studio Professional 2015=3
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Windows 11=21H2
Windows 11=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Windows 10=20H2
Windows 10=20H2
Windows 10=20H2
Windows 10=1809
Windows 10=1809
Windows 10=1809
Windows 10=1607
Windows 10=1607
Windows 10=21H1
Windows 10=21H1
Windows 10=21H1
Windows 10=1909
Windows 10=1909
Windows 10=1909
Windows 10
Windows 10
Windows 10=2004
Windows 10=2004
Windows 10=2004
Visual Studio=2015-update3
Visual Studio Professional 2017>=15.0<=15.9
Visual Studio Enterprise 2019>=16.0<=16.11
Windows 10
Windows 10=20h2
Windows 10=21h1
Windows 10=1607
Windows 10=1809
Windows 10=1909
Windows 10=2004
Windows 11
Windows 11
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Operating System

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Frequently Asked Questions

  • What is the severity of CVE-2021-42277?

    CVE-2021-42277 has a CVSS score indicating a high severity level due to the potential for local privilege escalation.

  • What systems are affected by CVE-2021-42277?

    CVE-2021-42277 affects various versions of Microsoft Windows and Visual Studio, including Windows 10, Windows Server 2019 and 2022, and Visual Studio 2019.

  • How do I fix CVE-2021-42277?

    To address CVE-2021-42277, users should apply the latest security updates released by Microsoft for the affected products.

  • What type of vulnerability is CVE-2021-42277?

    CVE-2021-42277 is classified as an elevation of privilege vulnerability that allows local attackers to gain higher access rights.

  • Is CVE-2021-42277 being actively exploited?

    There is no public indication that CVE-2021-42277 is being actively exploited, but it is recommended to patch systems to mitigate any potential risk.

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