Privilege Escalation Vulnerability in Google Chrome for Mac

CVE-2026-106378

What is CVE-2026-106378?

CVE-2026-106378 is a privilege escalation vulnerability found in Google Chrome for Mac, specifically affecting versions preceding 155.0.8059.39. This flaw allows a remote attacker who has successfully compromised the renderer process to execute arbitrary code outside of the sandboxed environment through a specially crafted HTML page. The sandbox is designed to limit the potential damage of web content and isolate processes to enhance security. If successfully exploited, this vulnerability can lead to unauthorized access to system resources, adversely affecting an organization’s data integrity and confidentiality.

Potential impact of CVE-2026-106378

1. Unauthorized Code Execution: Attackers can execute arbitrary code outside the sandbox, leading to control over the affected system and the ability to manipulate data or system configurations.

2. Data Breach Risk: This vulnerability can open the door to unauthorized access to sensitive information, potentially resulting in data breaches that compromise personal, financial, or proprietary data.

3. Increased Malware Propagation: The ability to escalate privileges and execute code can enable attackers to deploy additional malware, facilitating the spread of infections across networks and increasing the likelihood of substantial operational disruption.

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