Apple OS memory corruption via accessory input (fixed 26.7/27)
CVE-2026-86924 Published on September 14, 2026
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7. Connecting a malicious accessory may cause unexpected system termination.
Vulnerability Analysis
CVE-2026-86924 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low 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
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2026-86924
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Affected Versions
Apple iOS and iPadOS:- Before 26.7 is affected.
- Before 27 is affected.
- Before 26.7 is affected.
- Before 27 is affected.