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Vulnerability DatabaseCVE-2022-21888
CVE-2022-21888:
vulnerability analysis and mitigation
Overview
CVE-2022-21888 is a Windows Modern Execution Server Remote Code Execution Vulnerability that was discovered and disclosed in January 2022. The vulnerability affects multiple versions of Microsoft Windows including Windows 10 (versions 1809, 1909, 20H2, 21H1, 21H2), Windows 11 21H2, Windows Server 2019, and Windows Server 2022 (Rapid7).
Technical details
The vulnerability has been assigned a severity score of 9.0 CVSS with the vector (AV:N/AC:M/Au:N/C:C/I:C/A:C), indicating a critical severity level. This scoring suggests that the vulnerability is network accessible, requires moderate complexity to exploit, needs no authentication, and can impact confidentiality, integrity, and availability completely (Rapid7).
Impact
As a remote code execution vulnerability, successful exploitation could allow an attacker to execute arbitrary code on the target system, potentially gaining complete control over the affected Windows system (CVE Mitre).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability through various KB patches including KB5009557 for Windows 10 1809 and Windows Server 2019, KB5009545 for Windows 10 1909, KB5009543 for Windows 10 20H2/21H1/21H2, KB5009566 for Windows 11 21H2, and KB5009555 for Windows Server 2022 (Rapid7).
Additional resources
Source: This report was generated using AI
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