CVE-2024-38020: 
vulnerability analysis and mitigation

CVE-2024-38020 is a Microsoft Outlook Spoofing Vulnerability that was discovered and disclosed in July 2024. The vulnerability affects multiple Microsoft Office products including Office Professional Plus 2016, Office Professional 2016, Office Standard 2016, Office Home and Business 2016, Office Home and Student 2016, and Microsoft 365 Apps Enterprise (Microsoft Support).

The vulnerability has been assigned a CVSS v3.1 base score of 6.5 (MEDIUM) with the following vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. This indicates that the vulnerability can be exploited over the network, requires low attack complexity, needs no privileges, but does require user interaction (NVD).

The vulnerability could lead to exposure of sensitive information to unauthorized actors. This is classified as a spoofing vulnerability that could potentially compromise the confidentiality of user data (NVD).

Microsoft has released security updates to address this vulnerability. Users are advised to apply the security update KB5002620 for Office 2016 installations. The update is available through Microsoft Update, Microsoft Update Catalog, and as standalone packages for both 32-bit and 64-bit versions of Office 2016 (Microsoft Support).