What is CVE-2026-64781?

CVE-2026-64781 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-08-17.

How severe is CVE-2026-64781?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Improper input validation in Apple iOS And Ipados

CVE-2026-64781

The issue was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.

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

Published 2026-08-17 · last modified 2026-09-14.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.003 (21.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.003 · change: -0.002

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

support.apple.com/en-us/148281 (Release Notes, Vendor Advisory)
support.apple.com/en-us/148282 (Release Notes, Vendor Advisory)
support.apple.com/en-us/148287 (Release Notes, Vendor Advisory)
support.apple.com/en-us/148286
support.apple.com/en-us/149038

Frequently asked questions

What is CVE-2026-64781?: CVE-2026-64781 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-08-17.
How severe is CVE-2026-64781?: Medium severity. CVSS v3 base score is 4.3 out of 10.