CVE-2026-12009

HIGH

Google Chrome - Improper Input Validation

Title source: rule
STIX 2.1

Description

Insufficient validation of untrusted input in Accessibility in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Scores

CVSS v3 8.3
EPSS 0.0024
EPSS Percentile 14.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

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