CVE-2025-43208 is a permissions-related vulnerability in Apple macOS that allows an application to access sensitive location information without proper authorization. The root cause is an insufficient permission enforcement mechanism (classified under CWE-284: Improper Access Control), which permits an app to bypass intended restrictions and read location data that should be protected. This vulnerability was identified and addressed by Apple through additional permission restrictions implemented in macOS Tahoe 26. The CVSS 3.1 base score is 5.5, reflecting a medium severity level, with the vector indicating local attack vector (AV:L), low attack complexity (AC:L), no privileges required (PR:N), user interaction required (UI:R), unchanged scope (S:U), high confidentiality impact (C:H), and no impact on integrity or availability (I:N, A:N). Exploitation requires the attacker to have local access to the system and trick the user into interacting with a malicious app, which then can read sensitive location information without proper consent. Although no known exploits are currently reported in the wild, the vulnerability poses a privacy risk by potentially exposing users' precise location data to unauthorized applications. This could be leveraged for targeted surveillance, stalking, or other privacy-invasive activities. The fix involves enhanced permission checks and restrictions on location data access, which are included in macOS Tahoe 26. Organizations and users should prioritize updating to this version to prevent exploitation.

The primary impact of CVE-2025-43208 is the unauthorized disclosure of sensitive location information, compromising user privacy and confidentiality. For organizations, this could lead to leakage of sensitive operational or employee location data, potentially exposing business activities or personnel movements. Such data exposure can facilitate targeted attacks, physical security threats, or regulatory compliance violations related to data privacy laws (e.g., GDPR, CCPA). Since the vulnerability does not affect system integrity or availability, it does not directly enable system compromise or denial of service. However, the breach of location confidentiality can have significant reputational and legal consequences, especially for sectors handling sensitive information such as government, defense, healthcare, and finance. The requirement for local access and user interaction limits the attack surface but does not eliminate risk, particularly in environments where users may install untrusted applications or be subject to social engineering. The absence of known exploits in the wild reduces immediate risk but does not preclude future exploitation attempts.

To mitigate CVE-2025-43208, organizations and users should promptly upgrade all affected macOS devices to macOS Tahoe 26 or later, where the vulnerability is fixed with enhanced permission restrictions. Beyond patching, organizations should enforce strict application installation policies, limiting software sources to trusted vendors and using Apple’s notarization and app review processes to reduce the risk of malicious apps gaining local access. Employ endpoint protection solutions capable of monitoring and restricting unauthorized access to location services. Educate users about the risks of installing unverified applications and the importance of cautious user interaction to prevent social engineering exploitation. Additionally, review and tighten privacy settings related to location services on macOS devices, ensuring that only necessary applications have access. Implement device management policies that restrict or audit location data access and usage. Regularly monitor system logs and alerts for unusual access patterns to location data. Finally, maintain an incident response plan that includes procedures for handling potential data privacy breaches involving location information.