What is CVE-2018-6074?

CVE-2018-6074 is a high-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2018-11-14.

How severe is CVE-2018-6074?

High severity. CVSS v3 base score is 8.8 out of 10.

Improper input validation in Google Chrome

CVE-2018-6074

Failure to apply Mark-of-the-Web in Downloads in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to bypass OS level controls via a crafted HTML page.

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

Published 2018-11-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Google Chrome — versions unspecified
Debian Linux — versions 9.0
Red Hat Linux Desktop — versions 6.0
Red Hat Linux Server — versions 6.0
Red Hat Linux Workstation — versions 6.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2018/03/stable-channel-update-for-desktop.html
www.securityfocus.com/bid/103297 (vdb-entry)
crbug.com/809759
access.redhat.com/errata/RHSA-2018:0484 (vendor-advisory)
www.debian.org/security/2018/dsa-4182 (vendor-advisory)

Frequently asked questions

What is CVE-2018-6074?: CVE-2018-6074 is a high-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2018-11-14.
How severe is CVE-2018-6074?: High severity. CVSS v3 base score is 8.8 out of 10.