CVE-2024-49069: 
vulnerability analysis and mitigation

Microsoft Excel Remote Code Execution Vulnerability (CVE-2024-49069) was disclosed on December 11, 2024. This vulnerability affects multiple Microsoft products including Microsoft 365 Apps Enterprise, Excel 2016, Office 2019, Office LTSC 2021, Office LTSC 2024, and their corresponding Mac versions (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (High). The attack vector is Local (L), with Low attack complexity (L), requiring No privileges (N) but needs User interaction (R). The scope is Unchanged (U), with High impact on Confidentiality (H), Integrity (H), and Availability (H). The vulnerability is classified as CWE-416 Use After Free (NVD).

If successfully exploited, this vulnerability could allow an attacker to execute arbitrary code with the privileges of the compromised user. Given the High ratings for Confidentiality, Integrity, and Availability impacts, successful exploitation could lead to complete compromise of the affected system (NVD).

Microsoft has released security updates to address this vulnerability. Users are advised to install the latest security updates through Microsoft Update or download standalone update packages. For Excel 2016, security update KB5002660 is available through various distribution channels including Microsoft Update, Microsoft Update Catalog, and Microsoft Download Center (Microsoft Support).