What is CVE-2026-43722?

CVE-2026-43722 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2026-06-29.

How severe is CVE-2026-43722?

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

Improper input validation in Apple iOS And Ipados

CVE-2026-43722

The issue was addressed with improved input sanitization. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2. An app may be able to leak sensitive kernel state.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-06-29 · last modified 2026-08-17.

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

EPSS: 0.002 (3.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.002 · change: -0.001

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

support.apple.com/en-us/127594 (Vendor Advisory)
support.apple.com/en-us/127595 (Vendor Advisory)
support.apple.com/en-us/128071
support.apple.com/en-us/128072
support.apple.com/en-us/148287

Frequently asked questions

What is CVE-2026-43722?: CVE-2026-43722 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2026-06-29.
How severe is CVE-2026-43722?: Medium severity. CVSS v3 base score is 5.5 out of 10.