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Vulnerability DatabaseCVE-2022-21834
CVE-2022-21834:
vulnerability analysis and mitigation
Overview
Windows User-mode Driver Framework Reflector Driver Elevation of Privilege Vulnerability (CVE-2022-21834) was disclosed on January 11, 2022. This vulnerability affects multiple versions of Microsoft Windows including Windows 10, Windows 11, and Windows Server installations (Rapid7).
Technical details
The vulnerability has been assigned a CVSS severity score of 7.0, indicating a high severity level. The attack vector is local (AV:L), with low attack complexity (AC:L), requiring no authentication (Au:N), and potentially impacting confidentiality, integrity, and availability completely (C:C/I:C/A:C) (Rapid7).
Impact
This vulnerability could allow an attacker to gain elevated privileges on affected systems. The complete impact ratings for confidentiality, integrity, and availability suggest that successful exploitation could give an attacker full control over the affected system (Rapid7).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability across multiple Windows versions. The fixes are available through various KB updates including KB5009543 for Windows 10 20H2, 21H1, and 21H2, KB5009566 for Windows 11, KB5009557 for Windows Server 2019, and KB5009555 for Windows Server 2022 (Rapid7).
Additional resources
Source: This report was generated using AI
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