CVE-2026-39877

HIGH | Platform: macOS | Changelog

CVE Details

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to disclose kernel memory.

CVSS 3.1 Score

Metric	Value
Base Score	7.8 (HIGH)
Vector	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`

Weakness

CWE-119

References

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