CVE-2025-46283 in macOS
Summary
by MITRE • 12/17/2025
A logic issue was addressed with improved validation. This issue is fixed in macOS Tahoe 26.2. An app may be able to access sensitive user data.
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Analysis
by VulDB Data Team • 03/25/2026
The vulnerability identified as CVE-2025-46283 represents a logic flaw in macOS Tahoe 26.2 that could potentially allow unauthorized access to sensitive user data. This issue falls under the category of insufficient validation or improper access control mechanisms within the operating system's security framework. The problem stems from inadequate validation processes that fail to properly restrict data access permissions, creating a pathway for malicious applications to exploit the system's trust model.
The technical implementation of this vulnerability demonstrates a failure in the operating system's privilege separation mechanisms and data access controls. When an application attempts to access user data, the system should enforce strict validation checks to ensure proper authorization and prevent unauthorized data exposure. However, the logic issue in question allows applications to bypass these validation steps, potentially accessing sensitive information that should be restricted to authorized processes only. This type of vulnerability is classified under CWE-284, which addresses improper access control, and represents a significant weakening of the system's security posture. The flaw likely resides in the kernel-level data access routines or the system call interface that governs how applications interact with user data.
The operational impact of this vulnerability extends beyond simple data exposure, as it could enable sophisticated attack vectors that leverage the compromised access controls to escalate privileges or extract sensitive information. An attacker could potentially craft malicious applications that exploit this logic flaw to access personal files, authentication credentials, or other confidential user data without proper authorization. This represents a critical security risk that could affect user privacy and system integrity. The vulnerability may also enable persistence mechanisms where malicious applications could maintain access to sensitive data over extended periods, making it particularly dangerous for long-running systems or environments with high-value data assets. Organizations and users should consider this vulnerability as a potential threat to their data protection strategies and may need to implement additional monitoring and access control measures.
Mitigation strategies for CVE-2025-46283 should focus on immediate system updates and enhanced monitoring of application behavior. The most effective remediation involves installing the patched version of macOS Tahoe 26.2 that addresses the improved validation logic issue. System administrators should also implement enhanced application sandboxing policies and monitor for unauthorized access attempts to sensitive user data. Additionally, organizations should conduct comprehensive security assessments to identify any potential exploitation of this vulnerability and establish robust access control policies that minimize the impact of such logic flaws. The remediation process should include reviewing existing security configurations and implementing network segmentation to limit the potential damage from any successful exploitation attempts. Security teams should also consider implementing behavioral analytics and anomaly detection systems to identify suspicious application activities that might indicate exploitation of this access control vulnerability.