CVE-2023-35311: 
vulnerability analysis and mitigation

Microsoft Outlook Security Feature Bypass Vulnerability (CVE-2023-35311) was disclosed on July 11, 2023. This vulnerability affects multiple Microsoft products including Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office 2019, Microsoft Outlook 2016 (version 16.0.5404.1000), and Microsoft Outlook 2013 (version 15.0.5571.1000) (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 7.5 (High) with the vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H. This indicates that the vulnerability requires network access, has high attack complexity, needs no privileges, requires user interaction, and can potentially impact confidentiality, integrity, and availability at a high level. The vulnerability is classified as CWE-367, which relates to Time-of-check Time-of-use (TOCTOU) Race Condition (NVD).

If successfully exploited, this vulnerability could lead to high impacts on system confidentiality, integrity, and availability. The high CVSS score indicates that successful exploitation could result in significant compromise of the affected system's security (NVD).

Microsoft has released security updates to address this vulnerability. Organizations are advised to apply the vendor-provided patches according to Microsoft's security releases. For Microsoft 365 Apps for Enterprise and Office products, updates are available through the official Microsoft update channels (NVD).