CVE-2026-14101 in Chrome
Summary
by MITRE • 07/01/2026
Insufficient policy enforcement in Sandbox in Google Chrome on Mac prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 07/01/2026
This vulnerability represents a critical sandboxing weakness in Google Chrome's security architecture on macOS platforms, specifically affecting versions prior to 150.0.7871.47. The issue stems from insufficient policy enforcement within the sandbox mechanism that governs renderer processes, creating a potential escape route for malicious actors who have already compromised this privileged execution context. The vulnerability operates under the chromium security severity classification of low, yet its implications for system security are significant due to the fundamental nature of sandboxing as a core defense mechanism in modern browser architectures.
The technical flaw manifests when a remote attacker successfully compromises a renderer process through a crafted HTML page that exploits weaknesses in the sandbox's policy enforcement controls. This allows the attacker to bypass the isolation mechanisms designed to prevent malicious code from escaping the restricted environment and accessing system resources or performing unauthorized operations on the host machine. The vulnerability specifically targets the Mac implementation of Chrome's sandboxing mechanism, where the security boundaries between the renderer process and the underlying operating system become insufficiently enforced.
From an operational perspective, this vulnerability enables a sophisticated attacker to escalate privileges from a compromised renderer process to full system access, potentially allowing them to execute arbitrary code with elevated privileges. The attack vector relies on the exploitation of a crafted HTML page delivered remotely, making it particularly dangerous as it can be triggered through web browsing activities without requiring any additional user interaction or specialized knowledge beyond basic web-based exploitation techniques. This capability fundamentally undermines the security model that Chrome employs to isolate potentially malicious content from the underlying system.
The impact of this vulnerability extends beyond simple privilege escalation, as it represents a failure in the defense-in-depth principles that modern browsers implement. The sandbox escape could enable attackers to access sensitive user data, modify system files, install malware, or conduct further reconnaissance activities against the compromised system. This type of vulnerability directly relates to CWE-254 and CWE-279 categories, which address insufficient policy enforcement and security misconfigurations in software systems. The attack pattern aligns with ATT&CK technique T1059.007 for command and scripting interpreter and T1548.002 for abuse of cloud compute infrastructure, as the compromised system could be used to host further malicious activities.
Mitigation strategies should focus on immediate patch deployment to the affected Chrome versions, ensuring that all users update to 150.0.7871.47 or later releases where this vulnerability has been addressed. Organizations should also implement network-based protections such as content filtering and web application firewalls to block potentially malicious HTML content from reaching user systems. Additional defensive measures include maintaining strict browser security policies, implementing user education regarding safe browsing practices, and monitoring for suspicious network activity that might indicate exploitation attempts. The fix likely involves strengthening the policy enforcement mechanisms within Chrome's sandbox implementation to prevent unauthorized access to system resources from compromised renderer processes.
This vulnerability highlights the ongoing challenges in maintaining robust sandboxing implementations across different operating systems and platforms, where subtle differences in system architecture can create exploitable gaps in security controls. The incident underscores the importance of continuous security auditing and testing of sandbox mechanisms, particularly as browser vendors implement increasingly complex security features to protect against sophisticated attack vectors. Organizations should treat this vulnerability as a reminder of the critical need for maintaining current software versions and implementing comprehensive security monitoring solutions that can detect and respond to such exploitation attempts.