What is CVE-2026-84606?

CVE-2026-84606 is a high-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-09-14.

How severe is CVE-2026-84606?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Apple iOS And Ipados

CVE-2026-84606

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.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Apple Ios And Ipados
Apple Macos
Apple Visionos

Weakness classification (CWE)

CWE-287 — Improper Authentication
CWE-330 — Use of Insufficiently Random Values
CWE-359 — Exposure of Private Personal Information to an Unauthorized Actor

References

product-security@apple.com
product-security@apple.com
product-security@apple.com

Frequently asked questions

What is CVE-2026-84606?: CVE-2026-84606 is a high-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-09-14.
How severe is CVE-2026-84606?: High severity. CVSS v3 base score is 7.5 out of 10.