Exploited
high
8.8
CWE
269
Advisory Published
Updated

CVE-2021-42287: Microsoft Active Directory Domain Services Privilege Escalation Vulnerability

First published: Wed Nov 10 2021(Updated: )

Microsoft Active Directory Domain Services contains an unspecified vulnerability that allows for privilege escalation.

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

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2016<10.0.14393.4770
Microsoft Windows Server 2019<10.0.17763.2300
Microsoft Windows Server 2022<10.0.20348.350
Microsoft Active Directory
=sp2
=r2-sp1
=r2
<10.0.14393.4770
=2004
<10.0.17763.2300
<10.0.20348.350

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42287

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-42287?

    CVE-2021-42287 is a privilege escalation vulnerability in Microsoft Active Directory Domain Services.

  • How does CVE-2021-42287 impact Microsoft Active Directory?

    CVE-2021-42287 allows an attacker to elevate their privileges in Active Directory Domain Services, potentially gaining unauthorized access to sensitive information.

  • What is the severity of CVE-2021-42287?

    CVE-2021-42287 has a severity rating of 8.8 (High).

  • Which versions of Microsoft Active Directory are affected by CVE-2021-42287?

    CVE-2021-42287 affects Microsoft Active Directory on Windows Server 2008, 2012, 2016, 2019, and 2022.

  • How can I mitigate the CVE-2021-42287 vulnerability?

    To mitigate CVE-2021-42287, apply the necessary security updates provided by Microsoft and follow best practices for securing Active Directory.

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