CVE-2025-43319: 
macOS vulnerability analysis and mitigation

CVE-2025-43319 is a security vulnerability affecting multiple versions of macOS, including Sequoia 15.7, Sonoma 14.8, and Tahoe 26. The vulnerability was discovered by Hikerell (Loadshine Lab) and disclosed on September 15, 2025. The issue allows a malicious application to access protected user data on affected systems (Apple Support, NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. This indicates a local attack vector requiring user interaction but no privileges, with potential high impact on confidentiality. The vulnerability is classified as CWE-284 (Improper Access Control) (CISA-ADP).

If exploited, the vulnerability allows a malicious application to access protected user data on the affected system. The impact is primarily focused on confidentiality, with no direct effect on system integrity or availability (NVD).

Apple has addressed this vulnerability by removing the vulnerable code in the security updates released for macOS Sequoia 15.7, macOS Sonoma 14.8, and macOS Tahoe 26. Users are advised to update their systems to these versions to mitigate the risk (Apple Support).