Race Condition in Apple OS (iOS 26.5.2/iPadOS 26.5.2/macOS Tahoe) Crash
CVE-2026-43743 Published on June 29, 2026
A race condition was addressed with improved state handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to cause unexpected system termination.
Vulnerability Analysis
CVE-2026-43743 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on 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-2026-43743 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2026-43743
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Affected Versions
Apple iOS and iPadOS:- Before 26.5.2 is affected.
- Before 26.5.2 is affected.