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Vulnerability DatabaseCVE-2021-27090
CVE-2021-27090:
vulnerability analysis and mitigation
Overview
Windows Secure Kernel Mode Elevation of Privilege Vulnerability (CVE-2021-27090) was disclosed on April 13, 2021. This vulnerability affects multiple versions of Microsoft Windows, including Windows 10 (versions 20H2 and 2004) and Windows Server 2016 (versions 20H2 and 2004) (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, indicating local access is required, low attack complexity, and high impacts on confidentiality, integrity, and availability. Under CVSS v2.0, it received a base score of 4.6 (Medium) with the vector (AV:L/AC:L/Au:N/C:P/I:P/A:P) (NVD).
Impact
This elevation of privilege vulnerability in Windows Secure Kernel Mode could allow an attacker to gain higher privileges on the affected system. The vulnerability affects the confidentiality, integrity, and availability of the system with high severity ratings across all three aspects (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through KB5001330 for affected systems (Rapid7).
Additional resources
Source: This report was generated using AI
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