CVE-2026-121224

chromium-browser: Security issue in Desktop

Published Nov 3, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Security issue in Desktop in Google Chrome on on Mac prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)

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
First Time appeared Apple
Apple macos
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Title chromium-browser: Security issue in Desktop
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
Title Remote Code Execution via Crafted Network Traffic in Chrome Renderer Process
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Remote Code Execution via Crafted Network Traffic in Chrome Renderer Process
Type Values Removed Values Added
Description Security issue in Desktop in Google Chrome on on Mac prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)
Weaknesses CWE-59
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 5, 2026, 4:56 AM
Reserved
Nov 3, 2026, 10:33 AM
Status
Analyzed
Published
Nov 3, 2026, 9:17 PM
Modified
Nov 5, 2026, 2:51 PM
Severity
Important
Public date
Nov 3, 2026, 8:42 PM