CVE-2026-43821

Name of the Vulnerable Software and Affected Versions Safari versions prior to 26.6 iOS versions prior to 26.6 iPadOS versions prior to 26.6 macOS Tahoe versions prior to 26.6 tvOS versions prior to 26.6 visionOS versions prior to 26.6 watchOS versions prior to 26.6

Description An access issue exists where an app may be able to read files outside of its sandbox. A sandbox is a security mechanism for separating running programs, ensuring they cannot access memory or files belonging to other applications or the system.

Recommendations Update Safari to version 26.6. Update iOS to version 26.6. Update iPadOS to version 26.6. Update macOS Tahoe to version 26.6. Update tvOS to version 26.6. Update visionOS to version 26.6. Update watchOS to version 26.6.