CVE-2026-43747

HIGH | Platform: macOS | Changelog

CVE Details

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Parsing a maliciously crafted file may lead to an unexpected app termination.

CVSS 3.1 Score

Metric	Value
Base Score	7.1 (HIGH)
Vector	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H`

Weakness

CWE-125

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)