macOS Sandbox Escape via State Management Flaw

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

An authorization issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to break out of its sandbox.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-14

Last Modified

2026-09-14

Generated

2026-09-15

AI Q&A

2026-09-15

EPSS Evaluated

N/A

NVD

CVE-2026-84535

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos_golden_gate	27
apple	macos_sequoia	15.8
apple	macos_tahoe	26.7

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is an authorization vulnerability where an app may bypass sandbox restrictions due to improper state management. This could allow the app to access resources or perform actions outside its intended permissions.

Impact Analysis

If exploited, this vulnerability could let a malicious app access sensitive data, modify system files, or perform unauthorized actions on your device. It primarily affects macOS systems running Golden Gate, Sequoia, or Tahoe versions.

Mitigation Strategies

Update to the latest versions of macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to address the authorization issue and sandbox escape vulnerability.

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