7.8
Advisory Published
CVE Published
Updated

CVE-2022-21834: Windows User-mode Driver Framework Reflector Driver Elevation of Privilege Vulnerability

First published: Tue Jan 11 2022(Updated: )

Windows User-mode Driver Framework Reflector Driver Elevation of Privilege Vulnerability.

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Server 2012 R2
Microsoft Windows 7
Microsoft Windows Server 2008 R2
Microsoft Windows 7
Microsoft Windows Server=20H2
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012 R2
Microsoft Windows RT
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows 8.1
Microsoft Windows 8.1
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Windows 11=21H2
Windows 11=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2016
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=21H2
Windows 10=21H2
Windows 10=21H2
Windows 10=1909
Windows 10=1909
Windows 10=1909
Windows 10
Windows 10
Windows 10
Windows 10=20h2
Windows 10=21h1
Windows 10=21h2
Windows 10=1607
Windows 10=1809
Windows 10=1909
Windows 11
Windows 11
Microsoft Windows 7=sp1
Microsoft Windows
Microsoft Windows
Microsoft Windows Server=20h2
Microsoft Windows Server=2022
Microsoft Windows Server=r2-sp1
Microsoft Windows Server=r2-sp2
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019

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Frequently Asked Questions

  • What is CVE-2022-21834?

    CVE-2022-21834 is a vulnerability in the Windows User-mode Driver Framework Reflector Driver which allows for elevation of privilege.

  • Which software is affected by CVE-2022-21834?

    Microsoft Windows 10, Windows 11, Windows 7, Windows 8.1, Windows Server, and Windows Server 2008, 2012, 2016, and 2019 are affected by CVE-2022-21834.

  • What is the severity of CVE-2022-21834?

    CVE-2022-21834 has a severity level of 7.8 (High).

  • How does CVE-2022-21834 affect Windows systems?

    CVE-2022-21834 allows an attacker to elevate their privileges on affected Windows systems.

  • How can I fix CVE-2022-21834?

    To fix CVE-2022-21834, it is recommended to apply the latest security updates provided by Microsoft.

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