CVE-2026-112467 in macOS
Summary
by MITRE • 10/26/2026
This issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2. An app may be able to bypass network restrictions.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 10/26/2026
The vulnerability described involves a failure in the enforcement of network access controls within Apple's operating systems, specifically affecting versions prior to macOS Golden Gate 27.2 and macOS Tahoe 26.7.2. This flaw represents a significant security deficiency where an application can circumvent established network restrictions designed by the system or administrator. Such bypasses typically occur when the underlying code responsible for validating network requests fails to properly inspect, filter, or block traffic that violates policy rules. The root cause lies in insufficient validation logic within the networking stack or sandboxing mechanisms, allowing malicious or compromised applications to establish unauthorized connections to external servers, internal resources, or command-and-control infrastructure without triggering alerts or being blocked by system-level firewalls and proxy settings.
From a technical perspective, this issue aligns with CWE-250, which denotes execution with unnecessary privileges, as the application gains network capabilities it should not possess under normal security policies. It also relates to CWE-749, where exposed permissions allow for unauthorized access to resources that are restricted by design. In many cases, such vulnerabilities stem from improper handling of API calls or a failure to enforce sandbox boundaries consistently across different types of network requests, including those initiated via background processes or system services. The lack of rigorous checks means that the operating system does not correctly differentiate between permitted and prohibited network activities, leading to a breakdown in the principle of least privilege.
The operational impact of this vulnerability is severe for both individual users and enterprise environments. Attackers who exploit this flaw can exfiltrate sensitive data by sending it over unrestricted channels, bypassing Data Loss Prevention (DLP) solutions that rely on system-level network monitoring. Furthermore, malware or spyware installed on the device could maintain persistent communication with remote servers even if those domains are blocked at the firewall level. This undermines trust in endpoint security configurations and allows for potential lateral movement within a corporate network if internal services are accessed without authorization. The ability to bypass restrictions also facilitates phishing campaigns by allowing malicious apps to load external content or communicate with attacker-controlled infrastructure undetected.
To mitigate this risk, organizations must ensure that all macOS devices are updated to the latest stable releases, specifically version 27.2 for Golden Gate and 26.7.2 for Tahoe, which contain the necessary patches to enforce stricter network validation checks. Administrators should also implement defense-in-depth strategies by combining OS-level updates with endpoint detection and response (EDR) solutions that monitor outbound traffic anomalies regardless of system restrictions. Regular auditing of application permissions and strict enforcement of mobile device management policies can further reduce the attack surface. Additionally, users should be educated on the risks of installing software from untrusted sources, as this vulnerability primarily benefits applications seeking to evade standard security controls after installation.