CVE-2025-43257
Received Received - Intake
Sandbox Escape via Symlink Handling Vulnerability in macOS Sequoia

Publication date: 2026-04-02

Last updated on: 2026-04-03

Assigner: Apple Inc.

Description
This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.6. An app may be able to break out of its sandbox.
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Meta Information
Published
2026-04-02
Last Modified
2026-04-03
Generated
2026-06-16
AI Q&A
2026-04-02
EPSS Evaluated
2026-06-15
NVD
CVE-2025-43257
EUVD
EUVD-2025-209197
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apple macos to 15.6 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-59 The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
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Executive Summary

This vulnerability involves improper handling of symbolic links (symlinks) in macOS Sequoia. Due to this issue, an application may be able to break out of its sandbox, which is a security mechanism designed to isolate apps and limit their access to system resources.

Impact Analysis

If exploited, this vulnerability could allow an application to escape its sandbox restrictions, potentially gaining unauthorized access to system resources or data that should be isolated. This could lead to security breaches or unauthorized actions on the affected system.

Mitigation Strategies

To mitigate this vulnerability, update your system to macOS Sequoia 15.6 or later, where the issue with symlink handling and sandbox breakout has been fixed.

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