CVE-2026-64699

MEDIUM

macOS < 14.8.8, < 15.7.8, < 26.6 - Kernel Memory Disclosure via Memory Initialization Issue

Title source: llm

Description

A memory initialization issue was addressed with improved memory handling. 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 disclose kernel memory.

References (3)

Core 3

Core References

https://support.apple.com/en-us/128067

https://support.apple.com/en-us/128071

https://support.apple.com/en-us/128072

Scores

CVSS v3 5.5

EPSS 0.0014

EPSS Percentile 3.7%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-457

Status published

Products (4)

Apple/macOS < 14.8.8

Apple/macOS < 15.7.8

Apple/macOS < 26.6

apple/macos 14.0 - 14.8.8

Published Jul 27, 2026

Tracked Since Jul 28, 2026