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CVE-2021-33739
vulnerability analysis and mitigation

Overview

Microsoft DWM Core Library Elevation of Privilege Vulnerability (CVE-2021-33739) was disclosed on June 8, 2021. This vulnerability affects Microsoft Windows systems and specifically targets the DWM (Desktop Window Manager) Core Library (Rapid7).

Technical details

The vulnerability has been assigned a CVSS score of 5.0 with the vector (AV:L/AC:L/Au:N/C:P/I:P/A:P), indicating local access is required for exploitation, with low attack complexity and no authentication needed. The vulnerability affects confidentiality, integrity, and availability, each to a partial degree (Rapid7).

Impact

This vulnerability could allow an attacker to gain elevated privileges on affected systems, potentially enabling them to execute unauthorized code or access sensitive system resources (CVE).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability through several patches including KB5003635 for Windows 10 version 1909, KB5003637 for Windows 10 versions 2004, 20H2, and 21H1 (Rapid7).

Additional resources


SourceThis report was generated using AI

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