macOS Sequoia Sandbox Escape via Race Condition (before 15.1)
CVE-2024-40849 Published on April 2, 2026
A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.1. An app may be able to break out of its sandbox.
Vulnerability Analysis
CVE-2024-40849 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence 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 that is operating concurrently.
CVE-2024-40849 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2024-40849
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Affected Versions
Apple macOS:- Before 15.1 is affected.