An insufficient entitlement check in Apple macOS allows a local application to escalate privileges to root, posing a severe risk to system integrity.

The vulnerability is a local privilege escalation flaw stemming from missing entitlement checks. A low privileged, local attacker can exploit this to execute code with root privileges on the host system.

Successful exploitation allows a malicious actor to bypass operating system security controls and gain full administrative control over the affected device. This level of access facilitates total system compromise, including the exfiltration of sensitive data, installation of persistent backdoors, and the potential for lateral movement across the network. Given the CVSS score of 7.8, this represents a high severity threat to organizational security posture.

Immediate Action: Update all affected macOS systems to version 27 or later to implement the required entitlement checks.

Proactive Monitoring: Audit system logs for unexpected privilege escalation events, such as unauthorized process execution under the root user account.

Compensating Controls: Enforce strict application control policies to ensure only verified and trusted software can execute on endpoints, limiting the potential for malicious applications to trigger the vulnerability.

Public Exploit Available: false

This vulnerability presents a high risk to Apple macOS environments due to the potential for full system takeover. Organizations should prioritize the deployment of the macOS Golden Gate 27 update across all managed devices to remediate the entitlement flaw. Ensuring systems are patched is the primary defense against potential exploitation of this privilege escalation vector.