CVE-2025-36918

7.8 HIGH

📋 TL;DR

This vulnerability allows local attackers to read memory beyond intended boundaries in Android's aoc_service component, potentially leading to privilege escalation. It affects Android devices, particularly Google Pixel phones, and requires system execution privileges but no user interaction for exploitation.

💻 Affected Systems

Products:
  • Google Pixel phones
  • Android devices with aoc_service component
Versions: Android versions prior to December 2025 security patch
Operating Systems: Android
Default Config Vulnerable: ⚠️ Yes
Notes: Specifically affects devices with the vulnerable aoc_service component, primarily Google Pixel devices as referenced in the Android security bulletin.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Local attacker gains elevated system privileges, potentially compromising the entire device and accessing sensitive data.

🟠

Likely Case

Local attacker reads sensitive kernel or system memory, enabling further exploitation or information disclosure.

🟢

If Mitigated

Attack contained to isolated process with minimal impact due to proper sandboxing and privilege separation.

🌐 Internet-Facing: LOW - This is a local vulnerability requiring existing access to the device.
🏢 Internal Only: HIGH - Malicious apps or users with local access can exploit this without user interaction.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires system execution privileges but no user interaction. Out-of-bounds read vulnerabilities often lead to information disclosure that can facilitate further attacks.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: December 2025 Android security patch level

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

Restart Required: Yes

Instructions:

1. Check for system updates in Settings > System > System update. 2. Install the December 2025 security patch. 3. Reboot the device after installation completes.

🔧 Temporary Workarounds

Disable unnecessary system services

android

Reduce attack surface by disabling non-essential system services if possible

🧯 If You Can't Patch

  • Restrict installation of untrusted applications to minimize local attack vectors
  • Implement strict application sandboxing and privilege separation controls

🔍 How to Verify

Check if Vulnerable:

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

Check Version:

adb shell getprop ro.build.version.security_patch

Verify Fix Applied:

Verify security patch level shows 'December 5, 2025' or later in Settings > About phone > Android version.

📡 Detection & Monitoring

Log Indicators:

  • Unusual memory access patterns in system logs
  • Suspicious process privilege escalation attempts

Network Indicators:

  • Not applicable - local vulnerability

SIEM Query:

Not applicable for this local vulnerability

🔗 References

📤 Share & Export