CVE-2026-64721 in iOS
Summary
by MITRE • 07/28/2026
This issue was addressed through improved state management. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to access sensitive user data.
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Analysis
by VulDB Data Team • 07/28/2026
This vulnerability represents a critical state management flaw that could potentially allow unauthorized access to sensitive user data through improper application state handling mechanisms. The issue was resolved through enhanced state management protocols that address how applications maintain and transition between different operational states while processing user information. The vulnerability affects multiple Apple operating systems including iOS, iPadOS, macOS versions, tvOS, visionOS, and watchOS, indicating a widespread impact across the Apple ecosystem. The security patch specifically targets the way applications manage their internal states when handling sensitive data, preventing potential exploitation through state-based attacks that could lead to unauthorized data access.
The technical implementation of this vulnerability stems from inadequate state validation mechanisms within the operating system's application runtime environment. When applications transition between different states during normal operation, improper state management can leave sensitive data exposed or accessible through unexpected pathways. This flaw falls under the category of state management vulnerabilities that are commonly classified as CWE-242 or CWE-362 in the Common Weakness Enumeration catalog, representing weaknesses in resource management and concurrent execution. The vulnerability enables attackers to potentially exploit race conditions or improper state transitions that could result in information disclosure.
The operational impact of this vulnerability extends across all Apple devices running affected versions of the operating systems, creating a significant security risk for users who may unknowingly expose their personal data. Applications that handle sensitive user information such as financial data, personal communications, health records, or authentication credentials become particularly vulnerable when operating on affected systems. The exploitability of this issue depends on the specific application behavior and how it interacts with the underlying state management system, making it challenging to predict exactly how an attacker might leverage the vulnerability in practice.
The remediation implemented through the security updates addresses the core state management issues by improving the validation processes that occur during application state transitions. These patches ensure that sensitive user data is properly isolated and protected throughout the application lifecycle, preventing unauthorized access through improper state handling. The mitigation strategies include enhanced memory management protocols, stricter state transition validation, and improved access controls for sensitive data elements within the operating system's core components. Organizations should prioritize deploying these updates across all affected devices to prevent potential exploitation attempts that could compromise user privacy and security. The solution aligns with best practices from the MITRE ATT&CK framework, specifically addressing techniques related to privilege escalation and credential access through system-level vulnerabilities.