CVE-2026-64771
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
A buffer overflow vulnerability was addressed with improved bounds checking. The issue affects iOS, iPadOS, macOS, tvOS, and visionOS. A remote attacker may cause unexpected application termination or heap corruption.
Risk Assessment
A remote attacker could exploit this vulnerability to destabilize the system or potentially execute malicious code, posing a serious risk to system integrity and availability.
Recommendation
It is recommended to immediately update all affected devices to the latest operating system versions listed in the description.
Original NVD description (English source)
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.

