CVE-2026-43714 Apple CVE debrief

Who should care

Organizations and individuals using Apple devices and operating systems, especially those with sensitive user data, should be aware of this vulnerability. IT teams, security professionals, and system administrators responsible for managing Apple devices and ensuring data security are particularly relevant. They should assess their exposure, apply patches or mitigations, and monitor for suspicious activity to protect user data and prevent potential breaches.

Technical summary

The issue was addressed with improved input sanitization in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. A malicious app may be able to access protected user data due to improper input validation. This could lead to unauthorized access to sensitive information. The CVSS score is 5.5, and the severity is MEDIUM. To verify, defenders should review the official CVE record and vendor advisories for affected systems, assess their exposure, and apply patches or mitigations as needed. Additionally, defenders should monitor for suspicious app activity and protect user data. The CVE record indicates that the issue was addressed with improved input sanitization in various Apple operating systems and devices.

Defensive priority

Medium-priority defensive actions are recommended due to the potential for a malicious app to access protected user data.

Recommended defensive actions

• Inventory and verify affected Apple devices and operating systems
• Apply vendor patches for iOS, iPadOS, macOS, visionOS, and watchOS
• Monitor for suspicious app activity and protect user data
• Consider compensating controls for unpatched systems
• Exception tracking for non-compliant devices

Evidence notes

The CVE record indicates that the issue was addressed with improved input sanitization in various Apple operating systems and devices. A malicious app may be able to access protected user data. The CVSS score is 5.5, and the severity is MEDIUM. To verify, defenders should review the official CVE record and vendor advisories for affected systems, assess their exposure, and apply patches or mitigations as needed. Additionally, defenders should monitor for suspicious app activity and protect user data.

Official resources