Apple OS Race Condition Enables Kernel Write fixed in iOS 26.6, macOS 15.7.8
CVE-2026-43805 Published on July 27, 2026
A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.
Vulnerability Analysis
CVE-2026-43805 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 be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
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-2026-43805 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2026-43805
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Affected Versions
Apple iOS and iPadOS:- Before 26.6 is affected.
- Before 14.8.8 is affected.
- Before 15.7.8 is affected.
- Before 26.6 is affected.
- Before 26.6 is affected.