CVE-2026-64727

CRITICAL | Platform: macOS | Changelog

CVE Details

Description

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.

CVSS 3.1 Score

Metric	Value
Base Score	9.8 (CRITICAL)
Vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Weakness

CWE-843

References

Apple Security Advisory
NVD Entry
https://support.apple.com/en-us/128069 (Release Notes, Vendor Advisory)