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.
Other vulnerabilities in Apple operating systems
See all- CVE-2023-40403Medium
The issue was addressed with improved memory handling. It is fixed in macOS Ventura 13.6, tvOS 17, iOS 16.7 and iPadOS 16.7, macOS Monterey 12.7, watchOS 10, iOS 17 and iPadOS 17, macOS Sonoma 14. Processing web content may disclose sensitive information.
- CVE-2026-64774Critical
An integer overflow vulnerability was addressed with improved input validation. The issue affects iOS, iPadOS, macOS, tvOS, and visionOS. A remote attacker may cause unexpected application termination or heap corruption.
- CVE-2026-64772Critical
An out-of-bounds write issue was addressed with improved input validation. Affects iOS, iPadOS, macOS, tvOS, and visionOS. A remote attacker may cause unexpected application termination or heap corruption.
- CVE-2026-64770Critical
An out-of-bounds write issue 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.
- CVE-2026-64769Critical
An out-of-bounds write issue 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.
- CVE-2026-64746Critical
An authorization issue was addressed with improved validation. Affects iOS, iPadOS, macOS, visionOS, and watchOS. An app may add contacts without user authorization.
- CVE-2026-64726Critical
The issue was addressed with improved memory handling. Affects iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. An attacker in physical proximity may corrupt process memory.
- CVE-2026-43812Critical
A use after free issue was addressed with improved memory management. Affects iOS, iPadOS, macOS, tvOS, and visionOS. An app may cause unexpected system termination.
- CVE-2026-43809Critical
An out-of-bounds read was addressed with improved bounds checking. Affects iOS, iPadOS, macOS. An app may cause unexpected system termination.
- CVE-2026-43802Critical
An out-of-bounds write issue was addressed with improved bounds checking. Affects iOS, iPadOS, macOS. An app may cause unexpected system termination.
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.