CVE-2026-20606 is a vulnerability in Apple iOS and iPadOS that allows an application to bypass certain privacy preferences configured by the user. The issue stems from vulnerable code that improperly enforces privacy settings, potentially enabling apps to access sensitive information without respecting user restrictions. The vulnerability affects multiple Apple operating system versions, including iOS 18.7.5, iPadOS 18.7.5, iOS 26.3, iPadOS 26.3, and macOS variants Sequoia 15.7.4, Sonoma 14.8.4, and Tahoe 26.3. The flaw is categorized under CWE-200, which relates to exposure of sensitive information. According to the CVSS 3.1 vector (7.1), the attack requires local access (AV:L), low attack complexity (AC:L), no privileges (PR:N), and user interaction (UI:R). The scope is unchanged (S:U), but the impact on confidentiality and integrity is high (C:H/I:H), with no impact on availability (A:N). The vulnerability was addressed by removing the vulnerable code in the specified OS updates. No known exploits are currently reported in the wild, but the potential for privacy breaches remains significant until patches are applied. This vulnerability could be exploited by malicious apps to circumvent user-imposed privacy controls, potentially leaking sensitive data or manipulating information integrity.

The primary impact of CVE-2026-20606 is the unauthorized access to sensitive user data due to bypassed privacy preferences. This can lead to significant confidentiality breaches, exposing personal information, location data, or other protected content. Integrity may also be compromised if apps manipulate or falsify data by circumventing privacy controls. Although availability is not affected, the breach of privacy controls undermines user trust and can have legal and regulatory consequences for organizations handling sensitive data. Enterprises using Apple devices for business communications, data storage, or application deployment face risks of data leakage and compliance violations. The requirement for user interaction and local access limits remote exploitation but does not eliminate risk from malicious or compromised apps installed by users. The absence of known exploits in the wild reduces immediate threat but does not preclude targeted attacks, especially in high-value environments. Overall, the vulnerability poses a high risk to privacy and data security for both individual users and organizations worldwide.

To mitigate CVE-2026-20606, organizations and users should promptly update all affected Apple devices to the fixed versions: iOS and iPadOS 18.7.5, 26.3, and corresponding macOS releases (Sequoia 15.7.4, Sonoma 14.8.4, Tahoe 26.3). Beyond patching, review and restrict app permissions to minimize exposure of sensitive data, especially for apps from less trusted sources. Implement mobile device management (MDM) solutions to enforce privacy settings and control app installations. Educate users about the risks of installing untrusted applications and the importance of applying system updates. Monitor device logs and network traffic for unusual activity that may indicate attempts to exploit privacy bypasses. For organizations, conduct regular audits of privacy settings and app permissions to ensure compliance with security policies. Consider deploying endpoint detection and response (EDR) tools tailored for Apple devices to detect anomalous behaviors related to privacy violations. Finally, maintain an inventory of devices and OS versions to ensure timely patch management and vulnerability remediation.