CVE-2024-44186 is a vulnerability identified in Apple macOS, specifically addressed in the macOS Sequoia 15 release. The issue stems from an access control weakness where an application operating with limited privileges may circumvent sandbox restrictions designed to isolate apps and protect user data. This flaw is categorized under CWE-200, indicating an exposure of sensitive information to unauthorized actors. The vulnerability allows an app to access protected user data without requiring user interaction, although it does require local access with low privileges (AV:L/PR:L/UI:N). The CVSS v3.1 base score is 5.5, reflecting a medium severity level primarily due to the high confidentiality impact but no impact on integrity or availability. The vulnerability does not require user interaction, which increases the risk of stealthy data access, but the need for local privileges limits remote exploitation. No public exploits have been reported yet, and Apple has addressed the issue by implementing additional sandbox restrictions in macOS Sequoia 15. This vulnerability highlights the importance of sandboxing as a security mechanism and the risks when such controls are bypassed, potentially exposing sensitive user information to malicious or compromised applications.

The primary impact of CVE-2024-44186 is the unauthorized disclosure of protected user data on affected macOS systems. Confidentiality is compromised because an app with limited privileges can access sensitive information that should be isolated by sandboxing. Although the vulnerability does not affect data integrity or system availability, the exposure of personal or corporate data can lead to privacy violations, intellectual property theft, or further targeted attacks. Organizations relying on macOS devices for handling sensitive or regulated data may face compliance risks and reputational damage if this vulnerability is exploited. The requirement for local access and low privileges reduces the likelihood of widespread remote exploitation but increases risk from insider threats or malware that gains foothold on the device. The absence of known active exploits provides a window for organizations to patch and mitigate before potential attackers develop weaponized code.

To mitigate CVE-2024-44186, organizations should prioritize upgrading all macOS devices to macOS Sequoia 15, where the vulnerability is fixed through enhanced sandbox restrictions. Until patching is complete, restrict installation of untrusted or unsigned applications to reduce the risk of malicious apps exploiting this flaw. Implement strict endpoint security controls such as application whitelisting and behavior monitoring to detect anomalous access to protected data. Employ least privilege principles to limit user and app permissions, minimizing the attack surface. Regularly audit and monitor local user activity and app behavior for signs of unauthorized data access. Educate users about the risks of installing unverified software and enforce policies to prevent sideloading of potentially harmful apps. Maintain up-to-date backups and incident response plans to quickly address any data exposure incidents. Finally, stay informed on Apple security advisories for any updates or additional mitigations related to this vulnerability.