What is CVE-2026-86955?

CVE-2026-86955 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Missing Authorization. CVSS score: 5.5/10. Published 2026-10-20.

How severe is CVE-2026-86955?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Auth bypass in Apple iOS And Ipados

CVE-2026-86955

An authorization issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27. An app may be able to access sensitive user data.

Vulnerability class: Broken Access Control

Published 2026-10-20 · last modified 2026-10-20.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Apple iOS And Ipados

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

support.apple.com/en-us/149034

Frequently asked questions

What is CVE-2026-86955?: CVE-2026-86955 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Missing Authorization. CVSS score: 5.5/10. Published 2026-10-20.
How severe is CVE-2026-86955?: Medium severity. CVSS v3 base score is 5.5 out of 10.