What is CVE-2018-16080?

CVE-2018-16080 is a medium-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-01-09.

How severe is CVE-2018-16080?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Apple macOS

CVE-2018-16080

A missing check for popup window handling in Fullscreen in Google Chrome on macOS prior to 69.0.3497.81 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

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

Published 2019-01-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.014 (70.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Apple macOS
Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securityfocus.com/bid/105215 (vdb-entry)
crbug.com/858929
access.redhat.com/errata/RHSA-2018:2666 (vendor-advisory)
chromereleases.googleblog.com/2018/09/stable-channel-update-for-desktop.html
security.gentoo.org/glsa/201811-10 (vendor-advisory)

Frequently asked questions

What is CVE-2018-16080?: CVE-2018-16080 is a medium-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-01-09.
How severe is CVE-2018-16080?: Medium severity. CVSS v3 base score is 6.5 out of 10.