CVE-2026-64703

CRITICAL | Platform: macOS | Changelog

CVE Details

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause a denial-of-service.

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-416

References

Apple Security Advisory
NVD Entry
https://support.apple.com/en-us/128067 (Release Notes, Vendor Advisory)
https://support.apple.com/en-us/128071 (Release Notes, Vendor Advisory)