CVE-2025-26448
📋 TL;DR
This vulnerability in Android's CursorWindow component allows unauthenticated local attackers to read uninitialized memory, potentially exposing sensitive information from other apps or system components. It affects Android devices running vulnerable versions, requiring no user interaction for exploitation.
💻 Affected Systems
- Android
📦 What is this software?
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Sensitive data from other applications or system components could be disclosed, potentially including authentication tokens, personal information, or cryptographic keys.
Likely Case
Limited information disclosure of adjacent memory contents, possibly revealing fragments of data from other processes or system components.
If Mitigated
With proper sandboxing and memory protection, impact would be limited to reading random or non-sensitive data from the affected process's memory space.
🎯 Exploit Status
Exploitation requires local access to the device. No authentication is needed, but the attacker must be able to execute code on the device.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android Security Patch Level June 2025 or later
Vendor Advisory: https://source.android.com/security/bulletin/2025-06-01
Restart Required: No
Instructions:
1. Check for system updates in Settings > System > System update. 2. Install the June 2025 Android security patch or later. 3. No restart is required after patch installation.
🔧 Temporary Workarounds
No effective workarounds
allThis is a core framework vulnerability requiring patching at the OS level.
🧯 If You Can't Patch
- Restrict physical access to devices and implement strong device management policies
- Monitor for suspicious local process activity and memory access patterns
🔍 How to Verify
Check if Vulnerable:
Check Settings > About phone > Android version > Android security patch level. If before June 2025, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify Android security patch level shows June 2025 or later in Settings > About phone.📡 Detection & Monitoring
Log Indicators:
- Unusual memory access patterns in system logs
- Multiple failed attempts to access CursorWindow functions
Network Indicators:
- None - this is a local vulnerability
SIEM Query:
Search for process anomalies related to database cursor operations or unusual memory read patterns