CVE-2026-43763
Analyzed Analyzed - Analysis Complete

Permissions Issue in macOS Allows Sandbox Escape

Publication date: 2026-07-27

Last updated on: 2026-07-28

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.

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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-2026-43763
EUVD
EUVD-2026-49470

Affected Vendors & Products

Showing 3 associated CPEs
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
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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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.

Detection Guidance

This vulnerability was addressed by removing vulnerable code in specific macOS versions. Detection would require verifying your macOS version against the patched releases (Sequoia 15.7.8, Sonoma 14.8.8, Tahoe 26.6). Check your system version via 'sw_vers' command.

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.

Compliance Impact

The vulnerability allows an app to read files outside its sandbox, which could lead to unauthorized access to sensitive data. This may violate compliance requirements under GDPR (data protection) and HIPAA (health information privacy) by exposing personal or protected data.

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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