CVE-2025-43246 in macOS
Summary
by MITRE • 07/30/2025
This issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7. An app may be able to access sensitive user data.
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Analysis
by VulDB Data Team • 08/01/2025
This vulnerability represents a significant privacy and security concern affecting Apple's macOS operating systems, specifically impacting versions prior to the mentioned patches. The issue stems from insufficient validation mechanisms that allow unauthorized applications to potentially access sensitive user data without proper authorization. The vulnerability was addressed through enhanced access controls and improved data validation checks within the operating system's security framework. From a cybersecurity perspective, this flaw demonstrates the critical importance of proper privilege separation and access control implementation in modern operating systems. The vulnerability could potentially be exploited by malicious applications to gain unauthorized access to user information, compromising the fundamental security principles of data isolation and user privacy that macOS is designed to maintain. The fix implemented in macOS Sequoia 15.6 and macOS Sonoma 14.7.7 represents a necessary security hardening measure that addresses weaknesses in the system's data protection mechanisms.
The technical nature of this vulnerability aligns with common software security flaws that fall under the category of insufficient validation or access control weaknesses, which are often classified as CWE-284 (Improper Access Control) or CWE-250 (Execute Code from Untrusted Source) depending on the specific implementation details. The issue manifests when applications bypass normal security boundaries that should prevent unauthorized data access, creating potential attack vectors for malicious actors. This type of vulnerability is particularly concerning in operating system environments where applications have varying levels of system access and where proper sandboxing mechanisms fail to enforce appropriate data access restrictions. The vulnerability's resolution through improved checks indicates that the root cause likely involved inadequate validation of application permissions or insufficient enforcement of security policies that govern data access.
The operational impact of this vulnerability extends beyond simple data exposure to potentially enable broader system compromise scenarios. An attacker could leverage this weakness to gather sensitive user information including personal documents, communications, financial data, or other confidential materials stored on the affected systems. The implications are particularly severe given that macOS is widely used in enterprise and personal environments where such data access could result in significant financial loss, identity theft, or corporate espionage. The vulnerability's presence in multiple macOS versions suggests it was a systemic issue rather than an isolated incident, requiring coordinated patch management across affected deployments. Organizations relying on macOS systems must consider the potential for extended compromise if this vulnerability was exploited before patching occurred, potentially leading to long-term security implications in environments where the system was not immediately updated.
Mitigation strategies for this vulnerability should prioritize immediate deployment of the recommended macOS updates, specifically targeting macOS Sequoia 15.6 and macOS Sonoma 14.7.7. System administrators should implement comprehensive patch management processes to ensure all affected systems receive the necessary security updates promptly. Additional protective measures include enhanced monitoring for suspicious application behavior, review of application permissions, and implementation of network-based detection mechanisms to identify potential exploitation attempts. From an ATT&CK framework perspective, this vulnerability could be leveraged as part of a broader attack chain under techniques such as T1059 (Command and Scripting Interpreter) or T1566 (Phishing) where attackers might use the compromised access to gather intelligence for further exploitation. Organizations should also consider implementing additional security controls such as application whitelisting, enhanced endpoint detection and response capabilities, and regular security assessments to identify and remediate similar vulnerabilities in their macOS environments. The incident underscores the importance of maintaining current security patches and implementing layered defense strategies to protect against privilege escalation and unauthorized data access scenarios.