CVE-2025-43371
8.2Apple · Xcode
A sandbox escape vulnerability in Apple Xcode allows applications to bypass security restrictions, potentially leading to unauthorized system access.
Executive summary
A sandbox escape vulnerability in Apple Xcode enables malicious applications to break out of their intended security constraints, posing a high risk to system integrity.
Vulnerability
The vulnerability is a sandbox escape flaw where an application can break out of its restricted environment. Per the CVSS vector, this requires local access and user interaction, but does not require authentication to trigger.
Business impact
The ability for an application to break out of its sandbox allows for unauthorized access to data and system resources, which could lead to a compromise of sensitive information or host system integrity. With a CVSS score of 8.2, this vulnerability is classified as High severity, necessitating prompt attention to prevent potential lateral movement or privilege escalation within the development environment.
Remediation
Immediate Action: Update to Xcode version 26 or later to apply the improved security checks provided by the vendor.
Proactive Monitoring: Review system logs for unusual application behavior or unauthorized file system access attempts originating from Xcode or related build tools.
Compensating Controls: Ensure that development environments are isolated and that users only run trusted code within the Xcode environment to minimize the likelihood of triggering the exploit.
Exploitation status
Public Exploit Available: Unknown.
Analyst recommendation
Given the potential for complete sandbox bypass, users should treat this vulnerability with urgency. Organizations using Apple Xcode for software development must prioritize upgrading to version 26 immediately to ensure that sandbox protections are correctly enforced and to mitigate the risk of unauthorized system access.