CVE-2025-43389 is a privacy vulnerability identified in Apple’s iOS and iPadOS platforms, as well as related macOS and visionOS versions. The issue arises from a design flaw categorized under CWE-359 (Exposure of Sensitive Information Through a Design Flaw), where an app with limited privileges (low privilege level) can access sensitive user data without requiring user interaction. The vulnerability does not affect data integrity or system availability but compromises confidentiality by allowing unauthorized data access. The flaw was addressed by Apple through the removal of the vulnerable code in iOS 18.7.2, iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, and visionOS 26.1. The CVSS v3.1 base score is 5.5 (medium severity), reflecting the local attack vector, low attack complexity, required privileges, and no user interaction needed. No known exploits have been reported in the wild, indicating limited or no active exploitation at this time. The vulnerability’s root cause is a design oversight that allowed an app to bypass intended access controls to sensitive user data, posing a privacy risk to users of affected Apple devices.

The primary impact of CVE-2025-43389 is the unauthorized disclosure of sensitive user data on Apple devices running vulnerable versions of iOS, iPadOS, macOS, and visionOS. For organizations, this could lead to privacy breaches involving employee or customer data, potentially violating data protection regulations such as GDPR or CCPA. Although the vulnerability does not affect data integrity or availability, the exposure of sensitive information can result in reputational damage, loss of user trust, and potential legal consequences. The requirement for local access and low privileges limits remote exploitation, but insider threats or malicious apps installed on devices could leverage this flaw. The absence of user interaction simplifies exploitation once the attacker has local access, increasing risk in environments where device control is less restricted. Overall, the vulnerability poses a moderate risk to confidentiality, particularly in sectors handling sensitive personal or corporate data on Apple devices.

To mitigate CVE-2025-43389, organizations should prioritize deploying the security updates released by Apple for iOS 18.7.2, iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, and visionOS 26.1. Beyond patching, organizations should enforce strict app installation policies, limiting installation to trusted sources and using Mobile Device Management (MDM) solutions to control app permissions and monitor for suspicious behavior. Regular audits of installed applications and privilege reviews can help detect and prevent potentially malicious apps from exploiting this vulnerability. User education on the risks of installing untrusted apps and the importance of timely updates is also critical. Additionally, implementing endpoint detection and response (EDR) tools capable of identifying anomalous access to sensitive data on Apple devices can provide early warning of exploitation attempts. Finally, organizations should review and tighten local device access controls to reduce the risk of insider threats leveraging this vulnerability.