CVE-2026-121247

chromium-browser: Buffer overflow in Dawn

Published Nov 3, 2026 CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
Description
Buffer overflow in Dawn in Google Chrome on on Android 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)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title chromium-browser: Buffer overflow in Dawn
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
First Time appeared Google android
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Vendors & Products Google android
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Buffer Overflow in Chrome Dawn Enables Remote Code Execution on Android
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Buffer Overflow in Chrome Dawn Enables Remote Code Execution on Android
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Type Values Removed Values Added
Description Buffer overflow in Dawn in Google Chrome on on Android 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)
Weaknesses CWE-122
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 4, 2026, 1:44 PM
Reserved
Nov 3, 2026, 10:34 AM
Status
Analyzed
Published
Nov 3, 2026, 9:17 PM
Modified
Nov 4, 2026, 2:19 PM
Severity
Important
Public date
Nov 3, 2026, 8:42 PM