by Kastro
Paper/Archive/CVE-2026-121126

CVE-2026-121126

Google Chrome — Use after free in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside th…

CVSS 9.6
critical.is priorityof 100
29
CVSS 9.6 (ADP)9.6 / 10 × 3028.8Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Use after free in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Affected

ProductAffectedFixed inSource
Chrome157.0.8103.38 – < 157.0.8103.38157.0.8103.38CNA

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/2026/11/stable-channel-update-for-desktop.htmlrefissues.chromium.org/issues/571284308