Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-12014

Severity CVSS v4.0:
Pending analysis
Type:
CWE-416 Use After Free
Publication date:
11/06/2026
Last modified:
12/06/2026

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)

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.30 HIGH
Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.30
Severity 3.x
HIGH

References to Advisories, Solutions, and Tools