AppleCVE-2026-84606

Apple iOS and iPadOS: improper authentication

CVE-2026-84606 · Published Sep 14, 2026 · updated Sep 17, 2026

High7.5

Fix: upgrade to 27 or later (3 fixed versions below)

A privacy issue was addressed with improved handling of identifiers. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. An app may be able to identify a user across reinstalls.

Affected versions

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

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-287, CWE-330, CWE-359

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