CVE-2025-43233: 
macOS vulnerability analysis and mitigation

CVE-2025-43233 is a security vulnerability discovered in Apple's macOS operating systems that was disclosed on July 29, 2025. The vulnerability affects multiple versions of macOS including Sequoia 15.6, Sonoma 14.7.7, and Ventura 13.7.7. The issue allows a malicious application acting as an HTTPS proxy to gain unauthorized access to sensitive user data (Apple Support, NVD).

The vulnerability is classified as an improper access control issue (CWE-284) with a CVSS v3.1 Base Score of 9.8 (CRITICAL), indicating maximum impact scores for confidentiality, integrity, and availability (Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). The security flaw was discovered by Wojciech Regula of SecuRing and involves insufficient access restrictions in the Security framework of macOS (CISA-ADP).

The vulnerability allows a malicious application posing as an HTTPS proxy to access sensitive user data, potentially compromising user privacy and security. Given the CRITICAL CVSS score, this vulnerability presents a severe risk to affected systems, allowing unauthorized access to protected information (Apple Support).

Apple has addressed this vulnerability by implementing improved access restrictions in the security updates released on July 29, 2025. Users are advised to update to macOS Sequoia 15.6, macOS Sonoma 14.7.7, or macOS Ventura 13.7.7, depending on their operating system version (Apple Support).