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Vulnerability DatabaseCVE-2021-42286
CVE-2021-42286:
vulnerability analysis and mitigation
Overview
Windows Core Shell SI Host Extension Framework for Composable Shell Elevation of Privilege Vulnerability (CVE-2021-42286) was disclosed on November 9, 2021. This vulnerability affects various versions of Microsoft Windows operating systems, including Windows 10 versions 2004, 20H2, and 21H1 across different architectures (ARM64, x64, x86) (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. It is classified under CWE-269 (Improper Privilege Management). The vulnerability requires local access with low attack complexity and low privileges to exploit (NVD).
Impact
If successfully exploited, this vulnerability could allow an attacker to gain elevated privileges on affected systems. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the affected systems (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through KB5007186 for affected Windows 10 versions (Rapid7).
Additional resources
Source: This report was generated using AI
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