CVE-2026-65390

Name of the Vulnerable Software and Affected Versions Safari versions prior to 26.6.1 iOS versions prior to 26.6.1 iPadOS versions prior to 26.6.1 macOS Tahoe versions prior to 26.6.2 tvOS versions prior to 27 visionOS versions prior to 27 watchOS versions prior to 27

Description An integer overflow occurs due to insufficient input validation. Processing maliciously crafted web content can lead to memory corruption, which happens when a program accidentally writes data outside the intended memory boundary, potentially causing crashes or unauthorized code execution.

Recommendations Update Safari to version 26.6.1. Update iOS to version 26.6.1. Update iPadOS to version 26.6.1. Update macOS Tahoe to version 26.6.2. Update tvOS to version 27. Update visionOS to version 27. Update watchOS to version 27.