CVE-2026-86870

Name of the Vulnerable Software and Affected Versions iOS versions prior to 26.7 iPadOS versions prior to 26.7 macOS Golden Gate versions prior to 27 visionOS versions prior to 27 watchOS versions prior to 27

Description A heap buffer overflow occurs due to insufficient bounds checking. This issue can be triggered when the system processes a maliciously crafted file, which may lead to unexpected application termination. A heap buffer overflow is a memory corruption issue that happens when a program writes more data to a heap-allocated memory block than it can hold.

Recommendations Update iOS to version 26.7 or later. Update iPadOS to version 26.7 or later. Update macOS Golden Gate to version 27 or later. Update visionOS to version 27 or later. Update watchOS to version 27 or later.