CVE-2026-112647 in macOS
Summary
by MITRE • 10/26/2026
An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to access sensitive user data.
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Analysis
by VulDB Data Team • 10/27/2026
The vulnerability described involves a failure in the operating system's sandboxing mechanisms, specifically within Apple's macOS environment across versions including Golden Gate 27.2, Sequoia 15.8.2, and Tahoe 26.7.2. This issue represents an access control flaw where applications are granted permissions that exceed their intended scope of operation due to insufficient restrictions in the sandbox configuration. In modern operating systems like macOS, sandboxes are critical security boundaries designed to isolate application processes from one another and from sensitive system resources. When these boundaries are breached or improperly configured, it allows malicious or compromised software to bypass standard permission checks and interact with data that should remain inaccessible.
From a technical perspective, this flaw aligns closely with CWE-269 Improper Privilege Management and CWE-732 Incorrect Permission Assignment for Critical Resource. The core issue lies in the enforcement logic of the sandbox profile, which failed to restrict access to specific user directories or sensitive files such as contacts, photos, documents, or authentication tokens. By addressing this through additional sandbox restrictions, Apple has tightened the default permissions assigned to applications, ensuring that they can only read and write data explicitly authorized by the user via system dialogs. This correction reinforces the principle of least privilege, a fundamental security concept where software is granted only the minimum levels of access necessary for its function.
The operational impact of this vulnerability is significant because it enables unauthorized exfiltration or manipulation of sensitive user data. An attacker who can exploit this flaw could potentially read private files stored on the device without triggering standard permission prompts that would alert the user to the intrusion. This capability undermines user trust and privacy, as personal information becomes accessible to any application with even minimal execution privileges if it leverages this specific sandbox bypass technique. The severity is further compounded by the fact that such access could serve as a foothold for more advanced attacks, including credential theft or surveillance of user activity.
This type of vulnerability maps directly to several techniques in the MITRE ATT&CK framework, particularly T1530 Data from Local System which involves reading data from local storage without proper authorization, and potentially T1059 Command and Scripting Interpreter if used as part of a broader exploitation chain. The lack of strict sandbox enforcement allows attackers to move laterally within the user's environment or escalate privileges by accessing configuration files that control system behavior. Mitigation strategies primarily rely on applying the provided software updates which patch these specific permission checks. Additionally, users should maintain vigilance regarding application permissions granted through macOS privacy settings and regularly audit installed applications for unnecessary access rights. System administrators can also enforce stricter sandbox policies via mobile device management solutions to ensure consistent security postures across managed devices.