CVE-2025-43252: 
macOS vulnerability analysis and mitigation

CVE-2025-43252 is a security vulnerability discovered in macOS Sequoia affecting versions prior to 15.6, disclosed on July 29, 2025. The vulnerability allows a website to potentially access sensitive user data when resolving symlinks (Apple Advisory, NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 6.5 (Medium), with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. This indicates that the vulnerability is network-accessible, requires low attack complexity, needs no privileges, but does require user interaction. The vulnerability is related to improper link resolution before file access (CWE-59) (AttackerKB, CIS Advisory).

The vulnerability has a high impact on confidentiality but no impact on integrity or availability. If exploited, it could allow a malicious website to access sensitive user data through symlink manipulation (Apple Advisory).

Apple has addressed this vulnerability by adding an additional prompt for user consent in macOS Sequoia 15.6. Users are advised to update to this version or later to mitigate the risk. The fix implements improved validation when resolving symlinks (Apple Advisory).