CVE-2025-43335 is a vulnerability identified in Apple macOS operating systems that allows an application to access user-sensitive data improperly due to insufficient access control mechanisms (CWE-284). The vulnerability affects macOS versions prior to Sequoia 15.7.2, Sonoma 14.8.2, and Tahoe 26.1, where the system failed to enforce adequate restrictions on app access to sensitive information. The flaw requires the app to have local access and the user to perform some interaction, but no elevated privileges are necessary, making it a significant risk for data confidentiality breaches. Apple mitigated this issue by implementing additional logic to enforce stricter access controls, thereby preventing unauthorized data access. The CVSS v3.1 base score is 5.5 (medium severity), reflecting the local attack vector, low attack complexity, no privileges required, but user interaction needed, and a high impact on confidentiality with no impact on integrity or availability. There are currently no known exploits in the wild, but the vulnerability represents a potential vector for malicious apps or social engineering attacks to extract sensitive user data. This vulnerability underscores the importance of applying timely patches and monitoring app permissions on macOS systems.

The primary impact of CVE-2025-43335 is the unauthorized disclosure of sensitive user data on affected macOS systems. This can lead to privacy violations, identity theft, and leakage of confidential information, potentially harming individuals and organizations. Since the vulnerability does not affect data integrity or system availability, it is less likely to cause system outages or data manipulation. However, the ease of exploitation—requiring only local access and user interaction—means that attackers could leverage social engineering or malicious apps to gain sensitive information without needing elevated privileges. Organizations with macOS endpoints, especially those handling sensitive or regulated data, face increased risks of data breaches and compliance violations if unpatched. The lack of known exploits currently reduces immediate risk but does not eliminate the threat, as attackers may develop exploits in the future. Overall, the vulnerability poses a moderate risk to confidentiality and user privacy on macOS devices worldwide.

To mitigate CVE-2025-43335, organizations should promptly apply the security updates provided by Apple for macOS Sequoia 15.7.2, Sonoma 14.8.2, and Tahoe 26.1 or later versions. Beyond patching, organizations should implement strict application control policies to limit installation and execution of untrusted or unsigned apps that could exploit this vulnerability. User education is critical to reduce risky behaviors that involve interacting with suspicious applications or prompts. Employ endpoint detection and response (EDR) solutions capable of monitoring anomalous app behaviors and data access patterns. Regularly audit app permissions and restrict access to sensitive data on a least-privilege basis. Additionally, enable macOS security features such as System Integrity Protection (SIP) and Transparency, Consent, and Control (TCC) to enforce stricter access controls. For high-risk environments, consider network segmentation and monitoring to detect lateral movement attempts following local exploitation. Finally, maintain an up-to-date inventory of macOS devices and their patch status to ensure comprehensive coverage.