CVE-2026-39871
Received Received - Intake
Path Handling Flaw in macOS Leaks User Data

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: Apple Inc.

Description
A path handling issue was addressed with improved logic. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to observe unprotected user data.
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Meta Information
Published
2026-05-11
Last Modified
2026-05-11
Generated
2026-06-21
AI Q&A
2026-05-12
EPSS Evaluated
2026-06-20
NVD
CVE-2026-39871
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
apple macos_sequoia 15.7.7
apple macos_sonoma 14.8.7
apple macos_tahoe 26.5
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Compliance Impact

This vulnerability allows an app to potentially observe unprotected user data due to a path handling issue. Exposure of unprotected user data can have implications for compliance with data protection regulations such as GDPR and HIPAA, which require safeguarding personal and sensitive information.

However, specific impacts on compliance with these standards are not detailed in the provided information.

Executive Summary

This vulnerability is a path handling issue in certain versions of macOS (Sequoia, Sonoma, Tahoe). It was addressed by improving the logic that handles file paths. Due to this issue, an application may be able to observe user data that is supposed to be unprotected.

Impact Analysis

The impact of this vulnerability is that an application could potentially access or observe user data that should be protected. This could lead to unauthorized exposure of sensitive or private information.

Mitigation Strategies

The vulnerability is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5. To mitigate this vulnerability, you should update your system to one of these versions or later.

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