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Vulnerability DatabaseCVE-2021-40450
CVE-2021-40450:
vulnerability analysis and mitigation
Overview
Win32k Elevation of Privilege Vulnerability (CVE-2021-40450) was identified and disclosed on September 2, 2021. This vulnerability affects various versions of Microsoft Windows operating systems, including Windows 10, Windows 11, and Windows Server editions (CVE Mitre).
Technical details
The vulnerability has been assigned a CVSS score of 5.0 (AV:L/AC:L/Au:N/C:P/I:P/A:P), indicating a medium severity level. This CVE is unique and distinct from related vulnerabilities CVE-2021-40449 and CVE-2021-41357 (Rapid7).
Impact
The vulnerability could allow an attacker to gain elevated privileges on affected systems, potentially compromising the confidentiality, integrity, and availability of the system (Rapid7).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability across multiple affected versions. The fixes are available through various KB updates including KB5006672 for Windows 10 version 1809, KB5006667 for version 1909, KB5006670 for versions 2004/20H2/21H1, KB5006674 for Windows 11, and KB5006699 for Windows Server 2022 (Rapid7).
Additional resources
Source: This report was generated using AI
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