CVE-2026-64731

CRITICAL

macOS <15.7.8 and <26.6 - Sandbox Escape via Path Handling Issue

Title source: llm

Description

A path handling issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.

References (2)

Core 2

Core References

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

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

Scores

CVSS v3 9.8

EPSS 0.0047

EPSS Percentile 38.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-22

Status published

Products (3)

Apple/macOS < 15.7.8

Apple/macOS < 26.6

apple/macos 15.0 - 15.7.8

Published Jul 27, 2026

Tracked Since Jul 28, 2026