CVE-2026-28891
Received Received - Intake
Race Condition in macOS Allows Sandbox Escape

Publication date: 2026-03-25

Last updated on: 2026-03-25

Assigner: Apple Inc.

Description
A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to break out of its sandbox.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-25
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-28891
EUVD
EUVD-2026-15169
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
apple macos From 14.0 (inc) to 14.8.5 (exc)
apple macos From 15.0 (inc) to 15.7.5 (exc)
apple macos From 26.0 (inc) to 26.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-362 The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
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Executive Summary

This vulnerability is a race condition issue in certain versions of macOS (Sequoia 15.7.5, Sonoma 14.8.5, Tahoe 26.4). It was addressed by adding additional validation. The flaw could allow an application to break out of its sandbox, potentially bypassing security restrictions.

Impact Analysis

If exploited, this vulnerability could allow an application to escape its sandbox environment. This means the app might gain unauthorized access to system resources or data that should be isolated, potentially leading to security breaches or unauthorized actions on the affected macOS system.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

To mitigate this vulnerability, update your macOS system to one of the fixed versions: macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, or macOS Tahoe 26.4.

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