CVE-2026-12014

chromium-browser: chromium-browser: Use after free  Cast

Published Jun 11, 2026 CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Description
Use after free in Cast in Google Chrome prior to 149.0.7827.115 allowed an attacker on the local network segment to potentially perform a sandbox escape via malicious network traffic. (Chromium security severity: High)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6344-1 chromium security update
History
Type Values Removed Values Added
Title chromium-browser: chromium-browser: Use after free  Cast
Weaknesses CWE-825
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Type Values Removed Values Added
Title Use After Free in Chrome Cast Allowing Sandbox Escape via Local Network Traffic
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'}

ssvc

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

Type Values Removed Values Added
Title Use After Free in Chrome Cast Allowing Sandbox Escape via Local Network Traffic
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Use after free in Cast in Google Chrome prior to 149.0.7827.115 allowed an attacker on the local network segment to potentially perform a sandbox escape via malicious network traffic. (Chromium security severity: High)
Weaknesses CWE-416
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jun 12, 2026, 3:55 AM
Reserved
Jun 11, 2026, 6:16 PM
Status
Analyzed
Published
Jun 11, 2026, 10:16 PM
Modified
Oct 26, 2026, 11:10 AM
Severity
Important
Public date
Jun 11, 2026, 8:48 PM