CVE-2026-43760
Apple · macOS
An access control vulnerability in Apple macOS allows an application to potentially access sensitive user data due to insufficient restrictions.
Executive summary
An access control flaw in Apple macOS may allow unauthorized applications to access sensitive user data, creating a significant privacy risk.
Vulnerability
This vulnerability involves improper access restrictions, allowing an application to bypass standard security boundaries. An unauthenticated attacker can exploit this to gain unauthorized read access to user-sensitive information.
Business impact
With a CVSS score of 8.6, this vulnerability poses a high risk to data confidentiality. Unauthorized access to sensitive user data can lead to data breaches, regulatory non-compliance, and significant reputational damage to the organization.
Remediation
Immediate Action: Update affected systems to macOS Sonoma 14.8.8 or macOS Tahoe 26.6 to implement the necessary access restrictions.
Proactive Monitoring: Monitor for unusual data access patterns or unauthorized attempts to read sensitive files by non-privileged applications.
Compensating Controls: Implement strict file system permissions and use data loss prevention tools to restrict access to sensitive directories.
Exploitation status
Public Exploit Available: Unknown
Analyst recommendation
Given the existence of a proof-of-concept and the high severity score, organizations should prioritize patching to prevent potential data theft. Immediate action is required to close this security gap and protect sensitive user information from unauthorized access.