CVE-2026-12027

critical

Description

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)

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html

https://issues.chromium.org/issues/517517155

Details

Source: Mitre, NVD

Published: 2026-06-11

Updated: 2026-06-23

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.6

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H