What is CVE-2026-20655?

CVE-2026-20655 is a medium-severity vulnerability in Apple Ios And Ipados, classified under Improper Authentication. CVSS score: 5.5/10. Published 2026-02-11.

How severe is CVE-2026-20655?

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

Auth bypass in Apple Ios And Ipados

CVE-2026-20655

An authorization issue was addressed with improved state management. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3. An attacker with physical access to a locked device may be able to view sensitive user info…

Vulnerability class: Broken Authentication

EPSS: 0.001 (1.7th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-20655?: CVE-2026-20655 is a medium-severity vulnerability in Apple Ios And Ipados, classified under Improper Authentication. CVSS score: 5.5/10. Published 2026-02-11.
How severe is CVE-2026-20655?: Medium severity. CVSS v3 base score is 5.5 out of 10.