CVE-2026-43807

CriticalCVSS 9.8

Published: 27/07/2026(UTC)Updated: 28/07/2026(UTC)Translated: 28/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.52%

41th percentile - higher than 41% of all known CVEs

Summary

A buffer overflow in Apple systems. Fixed by improving bounds checking. A malicious accessory may cause unexpected app termination.

Risk Assessment

Risk of unexpected app termination by a connected malicious accessory, potentially disrupting device operation.

Recommendation

Update iOS, iPadOS, macOS, tvOS, visionOS, and watchOS to the latest versions listed in the description.

Original NVD description (English source)

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious accessory may be able to cause unexpected app termination.