CVE-2026-43819

Analyzed Analyzed - Analysis Complete

macOS Tahoe Sandbox Bypass Leads to Data Access

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Tahoe 26.6. An app may be able to access sensitive user data.

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-2026-43819

EUVD

EUVD-2026-49425

Affected Vendors & Products

Vendor	Product	Version / Range
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 access issue in macOS Tahoe 26.6 where an app may be able to access sensitive user data due to insufficient sandbox restrictions. It was addressed by adding additional sandbox restrictions to prevent unauthorized access.

Detection Guidance

This vulnerability involves an access issue with sandbox restrictions in macOS Tahoe. Detection may require checking app permissions, sandbox profiles, or system logs for unauthorized data access attempts. No specific commands are provided in the context.

Impact Analysis

This vulnerability could allow malicious apps to access your sensitive data without your permission, potentially leading to privacy breaches or data theft.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. The issue involves an app potentially accessing sensitive user data due to insufficient sandbox restrictions, which could theoretically lead to data breaches or unauthorized access. However, explicit details on regulatory compliance impacts are not included in the given context.

Mitigation Strategies

Update to macOS Tahoe 26.6 or later to address the sandbox restrictions issue that may allow apps to access sensitive user data.

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