CVE-2024-43463: 
vulnerability analysis and mitigation

Microsoft Office Visio Remote Code Execution Vulnerability (CVE-2024-43463) is a security flaw affecting various versions of Microsoft Office Visio, including Visio 2016, Microsoft 365 Apps Enterprise, Office 2019, and Office LTSC 2021. The vulnerability was disclosed on September 10, 2024, and affects both x64 and x86 architectures (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Microsoft has classified this as a Use After Free (CWE-416) vulnerability. The attack requires local access and user interaction, but no privileges, and can potentially impact confidentiality, integrity, and availability with high severity (NVD).

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. The vulnerability affects the confidentiality, integrity, and availability of the system with high severity ratings across all three aspects (NVD).

Microsoft has released security updates to address this vulnerability. Users can obtain the update through Microsoft Update, Microsoft Update Catalog, or Microsoft Download Center. The update is available for both 32-bit and 64-bit versions of affected software. For Visio 2016, the specific update is KB5002634 (Microsoft Support).