CVE-2026-112704 in macOS
Summary
by MITRE • 10/26/2026
An information leakage was addressed with additional validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A malicious app may be able to break out of its sandbox.
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Analysis
by VulDB Data Team • 10/27/2026
The vulnerability described involves a critical failure in the enforcement mechanisms designed to isolate applications within their designated execution environments on Apple operating systems. Specifically, this issue pertains to an information leakage flaw that was resolved through the implementation of additional validation checks within the system's security architecture. The core technical deficiency lay in the sandboxing subsystem, which is responsible for restricting untrusted software from accessing sensitive data or performing unauthorized actions outside its permitted scope. By bypassing these restrictions, a malicious application could escape its confined environment, effectively breaking out of the sandbox to interact with other processes, files, and system resources that should remain inaccessible under normal security policies.
This type of vulnerability is classified as an Improper Restriction of Operations within the Bounds of a Memory Buffer or Process Context, aligning closely with CWE-250: Execution with Unnecessary Privileges when considering the elevation of access rights beyond what was intended by the sandbox policy. Furthermore, in the context of the MITRE ATT&CK framework, this behavior maps to T1608: Sandbox Evasion and potentially T1059: Command and Scripting Interpreter if the escape allows for further exploitation steps such as executing arbitrary code with higher privileges. The ability to break out of a sandbox represents a significant degradation in system integrity because it undermines one of the primary defense-in-depth strategies employed by modern operating systems to limit the blast radius of compromised applications.
The operational impact of this flaw is severe, particularly on macOS platforms including versions Golden Gate 27.2, Sequoia 15.8.2, and Tahoe 26.7.2. An attacker who successfully exploits this vulnerability could potentially access sensitive user data such as keystrokes, clipboard contents, or private documents stored outside the application's designated directory. Additionally, the escape from sandboxing may allow for lateral movement within the system, enabling the malicious app to interact with other running applications or modify system configurations without triggering standard security alerts. This compromises both confidentiality and integrity, as the attacker gains a level of trust equivalent to that granted to legitimate system processes, thereby bypassing user consent mechanisms and access control lists designed to protect specific resources.
Mitigation for this vulnerability relies primarily on the immediate application of vendor-provided updates. Administrators and end-users must ensure that their systems are updated to macOS Golden Gate 27.2, Sequoia 15.8.2, or Tahoe 26.7.2, as these versions contain the necessary code changes to enforce stricter validation during sandbox boundary checks. Beyond patching, organizations should implement strict application whitelisting policies and utilize endpoint detection and response solutions that monitor for anomalous process behavior indicative of sandbox escapes, such as unexpected privilege escalations or access patterns inconsistent with normal application operation. Regular security audits and adherence to the principle of least privilege further reduce the risk associated with any residual vulnerabilities in system components.