Product:
iOS
Summary
A path handling issue was addressed with improved validation. This issue allows an app to potentially break out of its sandbox, leading to significant security risks. The vulnerability has been fixed in several versions of Apple’s operating systems.
Details
| Severity | Base Score | CVE |
|---|---|---|
| CRITICAL | 9.3 | CVE-2026-20688 |
Exploitation
To exploit this vulnerability, an attacker would need to run a malicious application on a vulnerable device. The app could leverage the path handling issue to escape its sandbox environment, potentially gaining unauthorized access to system resources or user data.
Affected Products
- iOS 26.4: The latest version of Apple’s mobile operating system.
- iPadOS 26.4: The version of the operating system designed for iPads.
- macOS Sequoia 15.7.5: A version of Apple’s desktop operating system.
- macOS Sonoma 14.8.5: Another version of macOS with the vulnerability.
- macOS Tahoe 26.4: Affected version of macOS.
- visionOS 26.4: The operating system for Apple’s vision devices.
Mitigation
To mitigate this vulnerability, users should update their devices to the latest versions of iOS, iPadOS, macOS, and visionOS as soon as possible. Regularly applying security updates is crucial to protect against potential exploits.