CVE-2026-12017

LOW

Google Chrome - Improper Input Validation

Title source: rule
STIX 2.1

Description

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Scores

CVSS v3 3.1
EPSS 0.0018
EPSS Percentile 8.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (2)
google/chrome < 149.0.7827.114
Google/Chrome 149.0.7827.115
Published Jun 11, 2026
Tracked Since Jun 12, 2026