High (7.5). EPSS 2.7% chance of exploitation in the next 30 days.
A lack of host validation in DevTools in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to execute arbitrary code via a crafted HTML page, if the user is running a remote DevTools debugging server.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
2.7% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-11-01)