CVE-2026-86903
UnknownSummary
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to disclose kernel memory.
Risk Assessment
Kernel memory disclosure can provide an attacker with information that facilitates further attacks, including bypassing security protections. The risk affects devices running unpatched Apple OS versions.
Recommendation
Update iOS, iPadOS, macOS, tvOS, visionOS, or watchOS to the patched version. Avoid running untrusted applications until the update is applied.
Other vulnerabilities in iOS
See all- CVE-2026-86904Unknown
A privacy issue was addressed with improved state management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, watchOS 27. An app may be able to track users across apps and websites without permission.
- CVE-2026-43674Unknown
An authentication issue in iOS 27 and iPadOS 27 was addressed with improved state management. An attacker with physical access to an unlocked device may be able to view Wi-Fi passwords without authentication.
- CVE-2026-28938Unknown
A privacy issue was addressed by moving sensitive data. The issue affects iOS 26.6 and iPadOS 26.6. An app may be able to fingerprint the user.
- CVE-2026-43653Medium
Improved memory handling in iOS, iPadOS, macOS, and tvOS. An attacker on the local network may cause a denial-of-service.
Original NVD description (English source)
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to disclose kernel memory.

