CVE-2026-12027

Inappropriate implementation in Headless in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to…

Critical · published June 11, 2026

CVSS v3.1
9.6
EPSS
0%
Percentile
12.3
In the wild
Unconfirmed
What it is

Inappropriate implementation in Headless in Google Chrome 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: High)

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00224 · 12.3th percentile
Published
2026-06-11T20:48Z
EPSS history
Timeline
  • 11 JUN 20:48Z
    Inappropriate implementation in Headless in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to…
    cvelistv5