CVE-2025-26454
📋 TL;DR
This vulnerability in Android's ManagedProvisioning component allows a malicious app to access another user's data through a confused deputy attack, leading to local privilege escalation without requiring user interaction. It affects Android devices with multiple user profiles, potentially exposing sensitive information across user boundaries.
💻 Affected Systems
- Android ManagedProvisioning component
📦 What is this software?
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
An attacker gains access to sensitive data from other user profiles, potentially including personal information, authentication tokens, or enterprise data in managed device scenarios.
Likely Case
Malicious apps could access limited data from other user profiles, particularly in shared device environments or devices with work profiles.
If Mitigated
With proper app sandboxing and user profile isolation, impact is limited to specific data accessible through the ManagedProvisioning component.
🎯 Exploit Status
Exploitation requires a malicious app to be installed on the device. No user interaction needed for exploitation once app is installed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: September 2025 Android Security Patch or later
Vendor Advisory: https://source.android.com/security/bulletin/2025-09-01
Restart Required: Yes
Instructions:
1. Apply September 2025 Android Security Patch via Settings > System > System Update. 2. For managed devices, ensure EMM/MDM pushes the update. 3. Reboot device after patch installation.
🔧 Temporary Workarounds
Disable multiple user profiles
androidPrevents exploitation by removing the attack surface of user profile switching
adb shell pm disable-user --user 0 com.android.managedprovisioning
Restrict app installations
androidPrevent installation of untrusted apps that could exploit this vulnerability
🧯 If You Can't Patch
- Isolate sensitive data to separate devices without multiple user profiles
- Implement strict app vetting and installation policies for all devices
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android version. If before September 2025, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify security patch level shows September 2025 or later. Check ManagedProvisioning version matches patched version from Android source.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to ManagedProvisioning APIs
- Suspicious cross-user data access patterns in system logs
Network Indicators:
- N/A - Local vulnerability only
SIEM Query:
source="android_system" AND (component="ManagedProvisioning" OR process="com.android.managedprovisioning") AND (event="permission_violation" OR event="cross_user_access")