Paper/Archive/CVE-2026-121189

CVE-2026-121189

Google Chrome — Use after free in Browser in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code outside the sandbox…

CVSS 9.6

critical.is priorityof 100

CVSS 9.6 (ADP)9.6 / 10 × 3028.8 Not in CISA KEV+300.0 No EPSS score.000 × 200.0 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

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.html refissues.chromium.org/issues/555547989