AppleCVE-2026-43684

Apple iOS and iPadOS: use after free

CVE-2026-43684 · Published Sep 14, 2026 · updated Sep 16, 2026

High7.8

Fix: upgrade to 26.7 or later (3 fixed versions below)

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 versions

Package	Affected	Fixed in
iOS and iPadOS Product	< 26.7	26.7
macOS Product	< 15.8	15.8
	< 27	27

Details and references

CVSS 3.1: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-416

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