by Kastro
Paper/Archive/CVE-2026-12027

CVE-2026-12027

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

EPSS 0.2%CVSS 9.6
critical.is priorityof 100
31
CVSS 9.6 (ADP)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 13.1.131 × 202.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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)

Affected

ProductAffectedFixed inSource
Chrome149.0.7827.115 – < 149.0.7827.115149.0.7827.115CNA

Scores by source

CISA ADP9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refchromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.htmlrefissues.chromium.org/issues/517517155