What is CVE-2026-84518?

CVE-2026-84518 is a medium-severity vulnerability in Apple iOS And Ipados, classified under CWE-642. CVSS score: 4.3/10. Published 2026-09-14.

How severe is CVE-2026-84518?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2026-84518

This issue was addressed through improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27. A malicious website may be able to determine what apps a user has installed.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Apple Ios And Ipados
Apple Macos
Apple Safari

Weakness classification (CWE)

CWE-642

References

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

Frequently asked questions

What is CVE-2026-84518?: CVE-2026-84518 is a medium-severity vulnerability in Apple iOS And Ipados, classified under CWE-642. CVSS score: 4.3/10. Published 2026-09-14.
How severe is CVE-2026-84518?: Medium severity. CVSS v3 base score is 4.3 out of 10.