What is CVE-2026-20656?

CVE-2026-20656 is a low-severity vulnerability in Apple iOS And Ipados, classified under Improper Authorization. CVSS score: 3.3/10. Published 2026-02-11.

How severe is CVE-2026-20656?

Low severity. CVSS v3 base score is 3.3 out of 10.

Auth bypass in Apple iOS And Ipados

CVE-2026-20656

A logic issue was addressed with improved validation. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3. An app may be able to access a user's Safari history.

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

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Apple iOS And Ipados — versions 0
Apple Ipados
Apple Iphone OS
Apple macOS — versions 0
Apple Safari — versions 0

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

support.apple.com/en-us/126347 (Release Notes, Vendor Advisory)
support.apple.com/en-us/126348 (Release Notes, Vendor Advisory)
support.apple.com/en-us/126354 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-20656?: CVE-2026-20656 is a low-severity vulnerability in Apple iOS And Ipados, classified under Improper Authorization. CVSS score: 3.3/10. Published 2026-02-11.
How severe is CVE-2026-20656?: Low severity. CVSS v3 base score is 3.3 out of 10.