CVE-2026-43684

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-14 · updated 2026-10-26
Weakness: CWE-416

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8. An app may be able to cause unexpected system termination or corrupt kernel memory.

Affected products

Apple iPadOS: before 26.7 — fixed in 26.7
Apple Iphone Os: before 26.7 — fixed in 26.7
Apple macOS: from 15.0 before 15.8; from 26.0 before 27.0 — fixed in 15.8, 27.0
Apple iOS and iPadOS: before 26.7 — fixed in 26.7
Apple macOS: before 15.8; before 27 — fixed in 15.8, 27

How to fix

Upgrade to a fixed version: Apple iPadOS 26.7; Apple Iphone Os 26.7; Apple macOS 15.8, 27.0; Apple iOS and iPadOS 26.7; Apple macOS 15.8, 27. Check the vendor advisory for mitigations.

References

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