CVE-2025-43530 in macOS
Summary
by MITRE • 12/12/2025
This issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.2, macOS Sonoma 14.8.3, macOS Sequoia 15.7.3, iOS 18.7.3 and iPadOS 18.7.3. An app may be able to access sensitive user data.
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Analysis
by VulDB Data Team • 12/19/2025
This vulnerability represents a significant security flaw in Apple's operating systems that could potentially allow malicious applications to access sensitive user data without proper authorization. The issue was identified and resolved through enhanced validation mechanisms implemented in the affected versions of macOS and iOS. The vulnerability affects multiple platform versions including macOS Tahoe 26.2, macOS Sonoma 14.8.3, macOS Sequoia 15.7.3, iOS 18.7.3, and iPadOS 18.7.3, indicating a widespread concern across Apple's ecosystem. The remediation approach focused on strengthening access controls and implementing additional verification steps to prevent unauthorized data access. This type of vulnerability typically falls under the category of privilege escalation or unauthorized data access issues that can compromise user privacy and system integrity.
The technical implementation of this vulnerability likely involves insufficient validation of app permissions or inadequate sandboxing mechanisms that allow applications to bypass normal security boundaries. When properly addressed, the improved checks would enforce stricter verification of application capabilities and user consent before granting access to sensitive data repositories. The fix demonstrates Apple's ongoing efforts to enhance their security architecture by implementing more robust access control measures. From a cybersecurity perspective, this vulnerability represents a potential entry point for attackers seeking to exploit user data, particularly in environments where multiple applications may be running simultaneously. The remediation process typically involves updating the operating system kernel and application frameworks to enforce tighter security policies.
The operational impact of this vulnerability extends beyond individual user privacy concerns to encompass broader security implications for organizations relying on Apple devices. System administrators must ensure all affected devices are updated to the patched versions to maintain security compliance and protect against potential exploitation. The vulnerability's resolution through improved checks aligns with industry best practices for preventing unauthorized data access and maintaining system integrity. Organizations should conduct thorough vulnerability assessments to identify any remaining risks and ensure complete remediation across their device fleets. This type of security update is particularly important in enterprise environments where data protection regulations and compliance requirements demand robust security controls.
From a threat modeling perspective, this vulnerability could potentially be exploited by malicious applications that attempt to access user data through legitimate application interfaces. The ATT&CK framework would classify this under privilege escalation or data access techniques where adversaries seek to expand their capabilities within a compromised system. The fix addresses the underlying security weakness by implementing additional verification layers that prevent unauthorized applications from accessing sensitive user information. This remediation approach follows the principle of least privilege by ensuring applications can only access data necessary for their intended functionality. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date security patches and the potential risks associated with running outdated operating system versions. The implementation of enhanced checks represents a proactive security measure that helps prevent exploitation attempts and maintains user trust in the platform's security posture.