CVE-2026-28964 Overview
CVE-2026-28964 is a user interface inconsistency vulnerability affecting Apple iOS, iPadOS, and visionOS. The flaw allows a malicious application to access sensitive user data by exploiting inconsistent UI state management [CWE-451]. Apple addressed the issue by improving state management in iOS 26.5, iPadOS 26.5, and visionOS 26.5.
The vulnerability is classified as a User Interface Confusion issue. The attack vector is network-based with low complexity and requires no user interaction or privileges. Successful exploitation results in confidentiality impact without compromising integrity or availability.
Critical Impact
An application may bypass UI security indicators to access sensitive user data on affected Apple devices, potentially exposing private information without user awareness.
Affected Products
- Apple iOS (versions prior to 26.5)
- Apple iPadOS (versions prior to 26.5)
- Apple visionOS (versions prior to 26.5)
Discovery Timeline
- 2026-05-11 - CVE-2026-28964 published to NVD
- 2026-05-12 - Last updated in NVD database
Technical Details for CVE-2026-28964
Vulnerability Analysis
The vulnerability stems from inconsistent user interface state management within affected Apple operating systems. UI inconsistency issues classified under [CWE-451] occur when security-relevant information is misrepresented or improperly displayed to users. Attackers can leverage this discrepancy to trick the user or the system into exposing sensitive data.
In this case, an application running on the device may exploit the UI inconsistency to access protected user data. The flaw bypasses expected security boundaries that the UI is supposed to enforce. State management failures allow the application to perform actions or access resources that the displayed interface suggests are restricted.
The issue affects core Apple platforms sharing common UI frameworks. Apple addressed the vulnerability through improved state management in the iOS 26.5, iPadOS 26.5, and visionOS 26.5 releases.
Root Cause
The root cause is improper synchronization between the visible user interface state and the underlying authorization or access control state. When these states diverge, an application can act on data the UI represents as protected or hidden. This is a classic [CWE-451] User Interface Misrepresentation of Critical Information weakness.
Attack Vector
The attack requires a malicious or compromised application installed on the target device. Once running, the application leverages the UI state inconsistency to access sensitive user data. No user interaction or elevated privileges are required to trigger the condition. Refer to the Apple Support Article #127110 and Apple Support Article #127120 for vendor-provided technical details.
No public proof-of-concept code or exploit is currently available for this issue.
Detection Methods for CVE-2026-28964
Indicators of Compromise
- Applications requesting or accessing user data resources outside their declared entitlements or scope.
- Anomalous data access patterns from third-party apps targeting protected user records such as contacts, photos, or location.
- Devices running iOS, iPadOS, or visionOS versions earlier than 26.5 with recently installed applications from outside the App Store ecosystem.
Detection Strategies
- Audit installed applications across managed iOS, iPadOS, and visionOS devices to identify those running on pre-26.5 versions.
- Use Mobile Device Management (MDM) telemetry to flag devices that have not received the 26.5 update.
- Review application behavior logs for unauthorized access attempts to sensitive data containers.
Monitoring Recommendations
- Continuously monitor OS version compliance through MDM reporting dashboards.
- Track application installation events and entitlement requests on enrolled Apple devices.
- Subscribe to Apple security advisories to capture future updates to the affected support articles.
How to Mitigate CVE-2026-28964
Immediate Actions Required
- Update all iPhone devices to iOS 26.5 or later.
- Update all iPad devices to iPadOS 26.5 or later.
- Update Apple Vision Pro devices to visionOS 26.5 or later.
- Enforce minimum OS version policies through your MDM platform to prevent non-compliant devices from accessing corporate resources.
Patch Information
Apple released fixes in iOS 26.5, iPadOS 26.5, and visionOS 26.5. Patch details are documented in Apple Support Article #127110 and Apple Support Article #127120. The vendor addressed the issue with improved state management within the affected UI components.
Workarounds
- No official workarounds exist. Apply the vendor patch as the primary remediation.
- Restrict installation of untrusted or sideloaded applications until devices are updated.
- Limit access to sensitive corporate data from devices running pre-26.5 OS versions through conditional access policies.
# Verify installed iOS/iPadOS version on a managed device via MDM query
# Example: check device OS version compliance
mdm-cli query --device-id <DEVICE_ID> --attribute OSVersion
# Expected output for patched devices: 26.5 or higher
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

