Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2023-21756
CVE-2023-21756:
vulnerability analysis and mitigation
Overview
CVE-2023-21756 is a Windows Win32k Elevation of Privilege Vulnerability that was discovered and assigned on December 13, 2022. The vulnerability affects multiple versions of Microsoft Windows, including Windows 10, Windows 11, and Windows Server installations (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 Base Score of 7.8 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Microsoft has classified this as a Use After Free (CWE-416) vulnerability. The vulnerability requires local access with low privileges and no user interaction for exploitation (NVD).
Impact
If successfully exploited, this vulnerability allows an attacker to gain elevated privileges on affected systems. The vulnerability impacts confidentiality, integrity, and availability with high severity ratings across all three aspects (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability across multiple affected versions of Windows. Updates are available through the standard Windows Update channels and should be applied as soon as possible (Microsoft Advisory).
Additional resources
Source: This report was generated using AI
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