CVE-2026-64737

Analyzed Analyzed - Analysis Complete

Authorization Bypass in macOS via Sandbox Escape

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description

An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-27

Last Modified

2026-07-28

Generated

2026-08-17

AI Q&A

2026-07-28

EPSS Evaluated

2026-08-15

NVD

CVE-2026-64737

EUVD

EUVD-2026-49462

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 14.0 (inc) to 14.8.8 (exc)
apple	macos	From 15.0 (inc) to 15.7.8 (exc)
apple	macos	From 26.0 (inc) to 26.6 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an authorization issue caused by improper state management. It allows a malicious application to escape its sandbox restrictions, potentially gaining unauthorized access to system resources or data.

Detection Guidance

This vulnerability is specific to macOS and involves sandbox escape. Detection requires checking system integrity and app behavior. Review installed macOS versions against the fixed releases (Sequoia 15.7.8, Sonoma 14.8.8, Tahoe 26.6). Monitor for unusual app activity or unauthorized system access attempts.

Impact Analysis

If exploited, this vulnerability could let a malicious app break out of its sandbox and access sensitive data or perform unauthorized actions on your system. This could lead to data theft, system compromise, or further malware installation.

Compliance Impact

The vulnerability allows a malicious app to break out of its sandbox, which could lead to unauthorized access to sensitive data. This may impact compliance with GDPR by potentially exposing personal data without consent and HIPAA by risking protected health information breaches.

Mitigation Strategies

Update to the latest version of macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6 to address the authorization issue and sandbox escape vulnerability.

Hi! I’m here to help you understand CVE-2026-64737. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70