CVE-2026-65353 in iOS
Summary
by MITRE • 09/15/2026
An authorization issue was addressed with improved state management. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6. An app may be able to access sensitive user data.
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Analysis
by VulDB Data Team • 09/15/2026
The vulnerability described represents a critical flaw in the authorization logic within Apple's operating systems, specifically affecting iOS, iPadOS, and macOS Tahoe versions prior to 26.6. At its core, this issue stems from improper state management during authentication or session handling processes. In secure software architecture, maintaining strict separation between authenticated states and unauthenticated states is paramount for preventing unauthorized access. When an application fails to properly validate the current security context before granting access to resources, it creates a window of opportunity for attackers to exploit inconsistent data structures or race conditions that bypass intended permission checks. This type of flaw allows an app to operate under elevated privileges or with access rights that were not explicitly granted by the user during initial authorization flows.
From a technical perspective, this vulnerability aligns closely with CWE-269, which classifies Improper Privilege Management, and more specifically CWE-862, Missing Authorization. The root cause lies in the application's failure to enforce access control policies consistently across all code paths that interact with sensitive user data. State management errors often occur when session tokens are not invalidated correctly upon logout or context switching, or when local storage mechanisms retain credentials beyond their intended lifespan. In mobile and desktop environments where apps frequently transition between backgrounded and foregrounded states, these lapses can be triggered by rapid state changes or interrupted processes that leave the application in a partially authenticated but improperly secured state.
The operational impact of this vulnerability is significant because it enables an app to access sensitive user data without proper consent or authorization. Sensitive data may include personal identifiers, location history, contact lists, messages, or financial information depending on the specific capabilities requested by the compromised application. If exploited, a malicious actor could leverage this flaw to exfiltrate private information from devices running affected versions of iOS, iPadOS, and macOS Tahoe. The risk is exacerbated in scenarios where users install third-party applications that may not adhere to strict security standards but still request broad permissions due to these underlying system-level inconsistencies.
This vulnerability maps directly to the MITRE ATT&CK framework under Technique T1078, Valid Accounts, as it allows an application to maintain valid access credentials beyond their intended scope or duration. It also relates to T1530, Data from Local System, since the exploitation results in unauthorized retrieval of data stored locally on the device. The ability for apps to bypass authorization checks undermines the fundamental trust model of these operating systems, which rely heavily on sandboxing and permission boundaries to isolate applications and protect user privacy.
Mitigation strategies primarily involve applying the provided software updates that address these state management deficiencies. Users should ensure their devices are running iOS 26.6, iPadOS 26.6, or macOS Tahoe 26.6 or later versions where the authorization logic has been hardened to prevent such bypasses. For developers and security professionals, this incident highlights the necessity of rigorous testing for privilege escalation paths and state consistency in application lifecycle management. Implementing strict session validation checks at every entry point that accesses sensitive data can help mitigate similar risks in custom applications. Regular audits of permission requests and continuous monitoring for anomalous access patterns are also recommended to detect potential exploitation attempts early.