Memory Initialization Issue in Apple Products
CVE-2026-65405

Currently unrated

Key Information:

Vendor: Apple
Status: iOS And iPad OS; Mac OS; TV OS; Visionos
Vendor: CVE Published:; 14 September 2026

What is CVE-2026-65405?

A vulnerability has been identified that arises from improper memory initialization, potentially allowing an app to infer the kernel memory layout. This security risk has been addressed with enhanced memory handling in various Apple operating systems, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Users are urged to update to the latest versions to mitigate exposure to this issue.

Affected Version(s)

iOS and iPadOS 0 < 26.7

iOS and iPadOS 0 < 27

macOS 0 < 15.8

References

https://support.apple.com/en-us/149034

https://support.apple.com/en-us/149035

https://support.apple.com/en-us/149036

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Sep 14, 2026
Vulnerability Reserved
Jul 22, 2026

CVE-2026-65405 Data

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