AppleCVE-2026-43688

Apple iOS and iPadOS: memory corruption

CVE-2026-43688 · Published Sep 14, 2026 · updated Sep 17, 2026

High7.8

Fix: upgrade to 27 or later (2 fixed versions below)

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27. Processing a maliciously crafted file may lead to unexpected app termination.

Affected versions

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

Details and references

CVSS 3.1: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-1021

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