Kernel Mem Corruption via Input Validation in Apple iOS/iPadOS/macOS 26.5.2 - Fixed
CVE-2026-39868 Published on June 29, 2026
This issue was addressed with improved input validation. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to cause unexpected system termination or corrupt kernel memory.
Vulnerability Analysis
CVE-2026-39868 is exploitable 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 have no impact on confidentiality, a high impact on integrity and 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-2026-39868
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Affected Versions
Apple iOS and iPadOS:- Before 26.5.2 is affected.
- Before 26.5.2 is affected.