CVE-2025-43308 in macOS
Summary
by MITRE • 09/16/2025
This issue was addressed with additional entitlement checks. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. An app may be able to access sensitive user data.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 09/17/2025
This vulnerability represents a privilege escalation and data exposure issue that affects multiple versions of apple's operating systems including macos sequoia 15.7 macos sonoma 14.8 and macos tahoe 26. the flaw stems from insufficient entitlement checks within the system's access control mechanisms allowing applications to potentially bypass normal security boundaries and gain unauthorized access to sensitive user data. the vulnerability was addressed through enhanced entitlement validation processes that strengthen the authorization framework governing application permissions and data access privileges. from a cybersecurity perspective this represents a critical weakness in the operating system's mandatory access control implementation where applications may exploit gaps in the entitlement verification system to access resources they should not be permitted to reach.
The technical nature of this vulnerability aligns with common software security flaws categorized under cwe-284 access control issues and potentially cwe-276 improper permissions or privileges. the flaw manifests when applications attempt to access user data without proper entitlement validation, creating an attack surface that could be exploited by malicious software or compromised applications. the operational impact extends beyond simple data exposure as it undermines the fundamental security model of the operating system where applications are expected to operate within defined permission boundaries. this weakness could enable adversaries to harvest personal information, credentials, or other sensitive data that should remain protected by the system's security architecture.
The remediation approach taken by apple involved strengthening the entitlement checking mechanisms throughout the operating system's security framework. this type of fix typically involves modifying kernel-level access control checks or updating system services that validate application privileges before granting access to protected resources. from an att&ck framework perspective this vulnerability could map to techniques such as t1068 legitimate credentials and t1566 credential harvesting where an application might leverage improper access control to obtain user data. the fix demonstrates apple's commitment to maintaining secure by design principles in their operating system architecture where entitlement validation serves as a critical control point for preventing unauthorized access to sensitive system resources.
Organizations should prioritize updating affected systems to the patched versions of macos sequoia 14.8 macos sonoma 14.8 and macos tahoe 26 to eliminate this vulnerability. security teams should monitor for potential exploitation attempts and review application entitlement configurations to ensure that applications are not granted unnecessary privileges. the vulnerability highlights the importance of maintaining up-to-date operating system installations as part of comprehensive cybersecurity hygiene practices. additional mitigation strategies include implementing application whitelisting policies and monitoring for unauthorized data access patterns that could indicate exploitation attempts. the fix serves as a reminder of the critical importance of entitlement management in modern operating systems where proper privilege validation prevents unauthorized access to sensitive user information and maintains the integrity of the system's security model.