CVE-2026-64735 in iOS
Summary
by MITRE • 07/28/2026
An inconsistent user interface issue was addressed with 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. A remote attacker may be able to bypass network filters.
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Analysis
by VulDB Data Team • 07/28/2026
This vulnerability represents a user interface inconsistency that stems from inadequate state management within Apple's operating systems across multiple platforms. The flaw manifests as a failure in maintaining consistent UI states during network filtering operations, creating potential security gaps that could be exploited by malicious actors. The issue affects a broad ecosystem including iOS, iPadOS, macOS versions spanning Sequoia through Tahoe, tvOS, visionOS, and watchOS, indicating a systemic problem in the platform's network security implementation. The root cause lies in how the operating systems handle state transitions when processing network filters, where inconsistent UI representations may not accurately reflect the actual network security posture.
The technical nature of this vulnerability allows for potential bypass mechanisms that could enable remote attackers to circumvent established network filtering controls. This type of inconsistency typically falls under CWE-691, which addresses insufficient control flow management and inadequate state tracking in security-critical applications. The flaw operates at the intersection of user interface presentation and underlying network security controls, creating a scenario where visual representations of security status may mislead users or automated systems about actual network protection levels.
The operational impact of this vulnerability extends beyond simple UI inconsistencies to potentially compromise network security boundaries. Remote attackers could exploit the state management gaps to bypass network filters that should otherwise prevent unauthorized access or data exfiltration attempts. This represents a significant concern for enterprise environments where strict network controls are essential for maintaining security perimeters. The vulnerability's presence across multiple Apple platforms suggests that organizations relying on Apple ecosystem security measures may face extended exposure periods if proper patching timelines are not maintained.
Mitigation strategies should focus on immediate deployment of the affected operating system updates, which include iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6. Organizations should implement comprehensive monitoring to detect any suspicious network activity that might indicate exploitation attempts. Security teams should also consider validating the integrity of existing network filtering configurations through manual verification processes, particularly focusing on areas where UI state discrepancies could create blind spots in security controls. The fix addresses fundamental state management issues that align with ATT&CK framework techniques related to privilege escalation and defense evasion, specifically targeting T1068 and T1566 categories where inconsistent system states can be leveraged for unauthorized access.