CVE-2025-48626

9.8 CRITICAL

📋 TL;DR

This Android vulnerability allows attackers to launch applications from the background without user interaction due to a precondition check failure. It enables remote privilege escalation without requiring additional execution privileges. All Android devices running vulnerable versions are affected.

💻 Affected Systems

Products:
  • Android OS
  • Android Launcher
Versions: Android versions prior to December 2025 security patch
Operating Systems: Android
Default Config Vulnerable: ⚠️ Yes
Notes: Affects multiple framework components including Launcher3. All Android devices with vulnerable versions are affected regardless of manufacturer.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete device compromise allowing attackers to execute arbitrary code with system privileges, access sensitive data, and maintain persistence.

🟠

Likely Case

Unauthorized application execution leading to data theft, surveillance, or installation of additional malware.

🟢

If Mitigated

Limited impact if devices are patched, have strict app permissions, and use security monitoring.

🌐 Internet-Facing: HIGH - Remote exploitation possible without user interaction.
🏢 Internal Only: HIGH - Can be exploited through various attack vectors including malicious apps or network attacks.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

No user interaction required for exploitation. References to source code fixes suggest detailed technical understanding exists.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: December 2025 Android Security Patch or later

Vendor Advisory: https://source.android.com/security/bulletin/2025-12-01

Restart Required: Yes

Instructions:

1. Check for system updates in Settings > System > System update. 2. Install December 2025 Android security patch. 3. Reboot device after installation. 4. Verify patch installation in Settings > About phone > Android security patch level.

🔧 Temporary Workarounds

Disable unknown sources

android

Prevent installation of apps from unknown sources to reduce attack surface

Settings > Security > Install unknown apps > Disable for all apps

Restrict app permissions

android

Review and restrict unnecessary app permissions, especially for background activity

Settings > Apps > [App Name] > Permissions > Review and disable unnecessary permissions

🧯 If You Can't Patch

  • Isolate vulnerable devices from critical networks and internet access
  • Implement strict network segmentation and monitor for suspicious application behavior

🔍 How to Verify

Check if Vulnerable:

Check Android security patch level in Settings > About phone > Android security patch level. If earlier than December 2025, device is vulnerable.

Check Version:

Settings > About phone > Android security patch level

Verify Fix Applied:

Verify Android security patch level shows December 2025 or later in Settings > About phone > Android security patch level.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected application launches from background
  • Permission escalation attempts
  • Suspicious intent broadcasts

Network Indicators:

  • Unusual outbound connections from system processes
  • Communication with known malicious domains

SIEM Query:

source="android_logs" AND (event="app_launch" AND context="background") OR (event="permission_escalation")

🔗 References

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