CVE-2026-43775
Summary
by MITRE • 07/27/2026
An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. An app may be able to access sensitive user data.
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Analysis
by VulDB Data Team • 07/27/2026
This authorization vulnerability represents a critical weakness in the operating system's permission handling mechanisms that could potentially allow malicious applications to bypass normal security boundaries and access sensitive user information. The issue stems from inadequate state management within the authorization framework, creating opportunities for apps to escalate their privileges or access data they should not be permitted to view. Such flaws typically arise when the system fails to properly track or enforce access controls during application runtime operations, leading to potential unauthorized data exposure scenarios.
The technical implementation flaw manifests through insufficient validation of application permissions and state transitions within the macOS security model. When applications attempt to access protected resources, the system should maintain strict enforcement of user-defined permissions and system-level access controls. However, in this case, improper state management allows for potential privilege escalation or data leakage through race conditions, inadequate session handling, or failure to properly validate authorization contexts during runtime operations. This vulnerability directly impacts the integrity of the operating system's access control mechanisms and can compromise user privacy.
The operational impact of this authorization issue extends beyond simple data exposure to potentially enable more sophisticated attacks that could lead to complete system compromise. An attacker with a malicious application could leverage this flaw to access sensitive user information including personal documents, communications, authentication credentials, or other confidential data stored on the device. The vulnerability's nature suggests it could be exploited through various attack vectors including social engineering campaigns where users unknowingly install compromised applications that take advantage of the authorization bypass.
Mitigation strategies should focus on immediate system updates and comprehensive security monitoring to detect potential exploitation attempts. Organizations should prioritize deploying the latest macOS updates, specifically versions 15.7.8 for Sequoia and 26.6 for Tahoe, which contain the necessary fixes for this authorization issue. Additionally, implementing robust application whitelisting policies, conducting regular security audits of installed applications, and maintaining detailed monitoring of unauthorized access attempts can help detect and prevent exploitation. From a cybersecurity perspective, this vulnerability aligns with CWE-668 (Exposure of Resource to Wrong Sphere) and may map to ATT&CK techniques involving privilege escalation and credential access. System administrators should also consider implementing network-based monitoring solutions to detect anomalous data access patterns that could indicate exploitation attempts. The fix addresses fundamental state management issues that are critical for maintaining the security boundary between user applications and system resources, particularly in environments where multiple applications with varying permission levels operate simultaneously.