What is CVE-2026-20661?

CVE-2026-20661 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Authorization. CVSS score: 4.6/10. Published 2026-02-11.

How severe is CVE-2026-20661?

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

Auth bypass in Apple iOS And Ipados

CVE-2026-20661

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 information.

Published 2026-02-11 · last modified 2026-06-17.

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 (4.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.3% 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-285 — Improper Authorization

References

support.apple.com/en-us/126346 (Release Notes, Vendor Advisory)
support.apple.com/en-us/126347 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-20661?: CVE-2026-20661 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Authorization. CVSS score: 4.6/10. Published 2026-02-11.
How severe is CVE-2026-20661?: Medium severity. CVSS v3 base score is 4.6 out of 10.