CVE-2026-43659
Race Condition in Apple iOS and iPadOS Versions
Publication date: 2026-05-11
Last updated on: 2026-05-11
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | ios | 18.7.9 |
| apple | ipados | 18.7.9 |
| apple | ios | 26.5 |
| apple | ipados | 26.5 |
| apple | macos_sequoia | 15.7.7 |
| apple | macos_sonoma | 14.8.7 |
| apple | macos_tahoe | 26.5 |
| apple | visionos | 26.5 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a race condition issue that was addressed by adding additional validation in the affected Apple operating systems.
Due to this race condition, an application may be able to access sensitive user data improperly.
How can this vulnerability impact me? :
The vulnerability could allow an app to access sensitive user data without proper authorization, potentially leading to privacy breaches or unauthorized data exposure.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update your Apple devices to the fixed versions of the operating systems as soon as possible.
- Update iOS devices to iOS 18.7.9 or iOS 26.5.
- Update iPadOS devices to iPadOS 18.7.9 or iPadOS 26.5.
- Update macOS devices to macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, or macOS Tahoe 26.5.
- Update visionOS devices to version 26.5.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
This vulnerability allows an app to potentially access sensitive user data due to a race condition. Such unauthorized access to sensitive data could impact compliance with data protection regulations like GDPR and HIPAA, which require strict controls on access to personal and health information.
By enabling unauthorized access to sensitive user data, the vulnerability may increase the risk of data breaches or improper data handling, which are critical concerns under these regulations.
The issue has been addressed in updated versions of iOS, iPadOS, macOS, and visionOS, which suggests that applying these updates is important for maintaining compliance.