CVE-2024-40864: 
macOS vulnerability analysis and mitigation

CVE-2024-40864 is a security vulnerability affecting Apple's macOS operating systems, specifically macOS Ventura 13.7.5 and macOS Sonoma 14.7.5. The vulnerability was discovered by Wojciech Regula of SecuRing and disclosed on March 31, 2025. The issue affects the Apple Account component of these operating systems, allowing an attacker in a privileged network position to track a user's activity (Apple Advisory, Apple Advisory).

The vulnerability stems from protocol handling issues in the Apple Account component. It was assigned a CVSS 3.1 base score of 2.7 (LOW) with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N. The issue has been classified as CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor). The vulnerability was addressed by Apple through improved handling of protocols (NVD).

When exploited, this vulnerability allows an attacker in a privileged network position to track a user's activity. The impact is primarily focused on user privacy and data confidentiality, with no direct impact on system integrity or availability (Apple Advisory).

Apple has addressed this vulnerability by releasing security updates in macOS Ventura 13.7.5 and macOS Sonoma 14.7.5. Users are advised to update their systems to these versions to protect against potential exploitation. The fix involves improved handling of protocols in the Apple Account component (Apple Advisory, Apple Advisory).