CVE-2024-49026
vulnerability analysis and mitigation

Overview

Microsoft Excel Remote Code Execution Vulnerability (CVE-2024-49026) was disclosed on November 12, 2024. This vulnerability affects multiple Microsoft products including Microsoft 365 Apps Enterprise, Excel 2016 Click-to-Run, Office 2019, Office Long Term Servicing Channel 2024, and Office Online Server (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:N/UI:R/S:U/C:H/I:H/A:H. It has been classified under CWE-77 (Improper Neutralization of Special Elements used in a Command) by Microsoft Corporation (NVD).

Impact

If successfully exploited, this vulnerability could allow an attacker to execute remote code on the affected system, potentially gaining the same level of access as the compromised user with high impacts on confidentiality, integrity, and availability (Microsoft Security).

Mitigation and workarounds

Microsoft has released security update KB5002648 to address this vulnerability. The update is available through Microsoft Update, Microsoft Update Catalog, and Microsoft Download Center. For Office Online Server, users should install build 16.0.10416.20007 of the security update package (Microsoft Support).

Additional resources


SourceThis report was generated using AI

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