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Vulnerability DatabaseCVE-2022-37987
CVE-2022-37987:
vulnerability analysis and mitigation
Overview
Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability (CVE-2022-37987) was discovered and disclosed in October 2022. The vulnerability affects various versions of Microsoft Windows, including Windows 10, Windows 11, and Windows Server installations (ZDI Advisory).
Technical details
The vulnerability exists within the CSRSS.exe process and involves DOS device redirection that can alter a path used for searching dependencies. The vulnerability has been assigned a CVSS score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating a high severity local attack vector (ZDI Advisory).
Impact
If successfully exploited, this vulnerability allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM, effectively gaining complete control over the affected system (ZDI Advisory).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability across multiple affected versions of Windows. The fixes are available through various KB updates including KB5018410, KB5018411, KB5018418, KB5018419, KB5018421, KB5018425, KB5018427, KB5018476, and KB5018478 (Rapid7).
Additional resources
Source: This report was generated using AI
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