CVE-2026-18015

9.6

Google · Chrome

A sandbox escape vulnerability exists in Google Chrome for Mac due to an inappropriate implementation in Tint, which may allow a remote attacker to compromise the system via a crafted HTML page.

Executive summary

A critical sandbox escape vulnerability in Google Chrome for Mac allows remote attackers to execute arbitrary code or compromise the system through malicious web content.

Vulnerability

This vulnerability involves an inappropriate implementation within the Tint component of the browser. It allows an unauthenticated, remote attacker to bypass sandbox protections if a user is tricked into navigating to a specifically crafted HTML page.

Business impact

The exploitation of this flaw carries severe consequences, as it enables a remote attacker to break out of the browser sandbox to gain unauthorized control over the underlying host system. Given the CVSS score of 9.6, this vulnerability poses an extreme risk to data confidentiality, system integrity, and operational availability. Organizations should treat this as a high priority threat to workstation security.

Remediation

Immediate Action: Update all instances of Google Chrome on macOS to version 151.0.7922.72 or later immediately to resolve the identified security flaw.

Proactive Monitoring: Security teams should monitor endpoint security logs for anomalous browser behavior or unexpected process execution patterns originating from the Chrome process.

Compensating Controls: Ensure that browser-based security policies are enforced and consider using endpoint detection and response tools to alert on unauthorized sandbox breakout attempts.

Exploitation status

Public Exploit Available: No (exploit_available: false)

Analyst recommendation

The critical nature of this vulnerability, combined with its ability to achieve a sandbox escape, necessitates immediate patching across all affected macOS environments. Administrators should prioritize the deployment of the latest Chrome update to ensure that the browser remains protected against potential exploitation attempts.

More Google CVEs

Sources