CVE-2026-121156

CriticalCVSS 9.6/10Last modified Nov 4, 2026

Description

Buffer overflow in Dawn 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)

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

VendorProductVersions
GoogleChrome>= 157.0.8103.38, < 157.0.8103.38

References

Timeline

Published
Nov 3, 2026
Last modified
Nov 4, 2026
NVD status
Analyzed

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CVE-2026-121156: Critical severity, CVSS 9.6 | Vulnix