CVE-2026-43764

CRITICAL | Platform: macOS | Changelog

CVE Details

Description

An integer overflow was addressed with improved input validation. 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 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-190

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)