CVE-2026-64727

CriticalCVSS 9.8

Published: 27/07/2026(UTC)Updated: 29/07/2026(UTC)Translated: 28/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.36%

28th percentile - higher than 28% of all known CVEs

Summary

Memory handling was improved for a type confusion issue. The issue affects macOS Tahoe 26.6 and tvOS 26.6. An app may be able to cause unexpected system termination.

Risk Assessment

Risk of system crash (DoS) leading to service disruption.

Recommendation

Update systems to macOS Tahoe 26.6 or tvOS 26.6.

Original NVD description (English source)

A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6. An app may be able to cause unexpected system termination.