CVE-2026-64771

CriticalCVSS 9.8

Published: 27/07/2026(UTC)Updated: 28/07/2026(UTC)Translated: 28/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.45%

37th percentile - higher than 37% of all known CVEs

Summary

A buffer overflow vulnerability allows a remote attacker to cause unexpected application termination or heap corruption.

Risk Assessment

Risk includes potential remote code execution or system crash without authentication.

Recommendation

Update promptly to iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6.

Original NVD description (English source)

A buffer overflow was addressed with improved bounds checking. This issue is fixed in 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.