CVE-2024-43625
vulnerability analysis and mitigation

Overview

Microsoft Windows VMSwitch Elevation of Privilege Vulnerability (CVE-2024-43625) is a security flaw discovered in the VMSwitch driver, a networking component of Hyper-V. The vulnerability was disclosed on November 12, 2024, affecting various versions of Windows 11 and Windows Server systems (NVD, Talos).

Technical details

The vulnerability is classified as a 'use after free' vulnerability (CWE-416) in the Hyper-V host environment. It has received a CVSS v3.1 base score of 8.1 (HIGH) with the vector string CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H, indicating local access, high attack complexity, no privileges required, and high impact on confidentiality, integrity, and availability (NVD).

Impact

If successfully exploited, this vulnerability allows an attacker to execute arbitrary code with elevated privileges on the Hyper-V host system, potentially compromising the security of the entire virtualization environment (Talos).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. The patches are available for affected versions of Windows 11 (22H2, 23H2, 24H2) and Windows Server (2022, 2022 23H2, 2025) systems. Users are advised to apply the security updates to their systems as soon as possible (NVD).

Additional resources


SourceThis report was generated using AI

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