CVE-2024-21326
vulnerability analysis and mitigation

Overview

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability (CVE-2024-21326) was disclosed on January 25, 2024. The vulnerability affects Microsoft Edge browser versions up to (excluding) 121.0.2277.83 (NVD, Microsoft Learn).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 9.6 CRITICAL with the following vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H. The vulnerability is classified as a Use After Free (CWE-416) issue (NVD).

Impact

The vulnerability could allow an attacker to achieve elevation of privilege in Microsoft Edge. Given the CVSS score and vector, successful exploitation could lead to high impacts on confidentiality, integrity, and availability of the affected system when a user interacts with malicious content (NVD).

Mitigation and workarounds

Microsoft has released a security update to address this vulnerability. Users should update to Microsoft Edge version 121.0.2277.83 or later to mitigate this vulnerability (Microsoft Learn).

Additional resources


SourceThis report was generated using AI

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