CVE-2026-43763
Received Received - Intake

Permissions Issue in macOS Allows Sandbox Escape

Vulnerability report for CVE-2026-43763, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description

A permissions issue was addressed by removing the vulnerable code. 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 read files outside of its sandbox.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-07-27
Last Modified
2026-07-27
Generated
2026-07-28
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
apple macos_sequoia 15.7.8
apple macos_sonoma 14.8.8
apple macos_tahoe 26.6

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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Executive Summary

This is a permissions issue in Apple macOS where an app could read files outside its sandbox due to vulnerable code. Apple removed the problematic code in specific updates to fix the issue.

Impact Analysis

An attacker could exploit this to access sensitive files on your system that should be restricted. This could lead to data leaks or unauthorized access to personal or system files.

Mitigation Strategies

Update to the latest version of macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6 to remove the vulnerable code and address the permissions issue.

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