Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-26890
CVE-2021-26890:
vulnerability analysis and mitigation
Overview
CVE-2021-26890 is an Application Virtualization Remote Code Execution Vulnerability affecting Microsoft Windows systems. The vulnerability was disclosed on March 11, 2021, and affects multiple versions of Windows 10 and Windows Server, including Windows 10 versions 1809, 1909, 2004, 20H2, and Windows Server 2016 20H2 and 2019 (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 with low attack complexity. The vulnerability requires local privileges and no user interaction for exploitation (NVD).
Impact
If successfully exploited, this vulnerability could allow an attacker to execute code with elevated privileges, potentially leading to full system compromise with high impacts on confidentiality, integrity, and availability of the affected system (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through KB5000802 for Windows 10 versions 2004 and 20H2, KB5000808 for version 1909, and KB5000822 for version 1809 and Windows Server 2019 (Rapid7).
Additional resources
Source: This report was generated using AI
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