What is CVE-2026-86890?

CVE-2026-86890 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 4.6/10. Published 2026-09-14.

How severe is CVE-2026-86890?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Auth bypass in Apple iOS And Ipados

CVE-2026-86890

A logic issue was addressed with improved checks. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27. An attacker with physical access to a locked device may be able to view sensitive user information.

Vulnerability class: Broken Authentication

Published 2026-09-14 · last modified 2026-09-16.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.3th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

support.apple.com/en-us/149034 (Release Notes, Vendor Advisory)
support.apple.com/en-us/149041 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-86890?: CVE-2026-86890 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 4.6/10. Published 2026-09-14.
How severe is CVE-2026-86890?: Medium severity. CVSS v3 base score is 4.6 out of 10.