What is CVE-2026-17761?

CVE-2026-17761 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 5.4/10. Published 2026-07-30.

How severe is CVE-2026-17761?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Improper input validation in Apple Iphone OS

CVE-2026-17761

Insufficient validation of untrusted input in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via malicious network traffic. (Chromium security severity: Medium)

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

EPSS: 0.003 (18.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Apple Iphone_os
Google Chrome — versions 151.0.7922.72

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-17761?: CVE-2026-17761 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 5.4/10. Published 2026-07-30.
How severe is CVE-2026-17761?: Medium severity. CVSS v3 base score is 5.4 out of 10.