CVE-2025-48653: Google Android Privilege Escalation Flaw

CVE-2025-48653 Overview

CVE-2025-48653 is a local privilege escalation vulnerability affecting Google Android devices. The flaw exists in the loadDataAndPostValue function across multiple system files, where a logic error allows an attacker to obscure permission usage. This vulnerability enables local escalation of privilege without requiring additional execution privileges or user interaction.

Critical Impact

This vulnerability allows local privilege escalation on affected Android devices (versions 14.0, 15.0, and 16.0) without user interaction, potentially enabling malicious applications to gain elevated system privileges.

Affected Products

• Google Android 14.0
• Google Android 15.0
• Google Android 16.0 (including QPR2 Beta 1, Beta 2, and Beta 3)

Discovery Timeline

• 2026-03-02 - CVE-2025-48653 published to NVD
• 2026-03-03 - Last updated in NVD database

Technical Details for CVE-2025-48653

Vulnerability Analysis

The vulnerability resides in the loadDataAndPostValue function present across multiple Android system files. A logic error in the code allows permission usage to be obscured, meaning the system fails to properly validate or display permission requests to users or security mechanisms. This creates a path for local privilege escalation where a malicious application can perform privileged operations without the expected permission checks being enforced or visible.

The attack requires local access and low privileges to execute, but notably does not require any user interaction. This makes it particularly dangerous for scenarios involving pre-installed malicious applications or compromised legitimate apps that could silently escalate their privileges.

Root Cause

The root cause is classified under CWE-693 (Protection Mechanism Failure), indicating a failure in the security protection mechanisms that should prevent or detect unauthorized privilege escalation. The logic error in the loadDataAndPostValue implementation allows the permission model to be circumvented, enabling operations that should require explicit authorization.

Attack Vector

The attack vector is local, requiring the attacker to have an application already installed on the target device. Once installed, the malicious application can exploit the logic flaw in loadDataAndPostValue to obscure its permission usage from the Android permission enforcement system. This allows the application to perform privileged actions while appearing to operate within its declared permission scope.

The exploitation path does not require elevated privileges to initiate (only standard application-level access) and proceeds without any user interaction, making it suitable for silent background exploitation.

Detection Methods for CVE-2025-48653

Indicators of Compromise

• Applications requesting sensitive data or performing privileged operations without corresponding permission declarations in their manifest
• Unexpected system calls or API invocations originating from applications with limited declared permissions
• Anomalous behavior in loadDataAndPostValue function calls that deviate from expected permission validation patterns

Detection Strategies

• Monitor for applications attempting to access protected resources without proper permission grants
• Implement behavioral analysis to detect privilege escalation attempts by installed applications
• Review application manifests versus actual runtime behavior to identify permission discrepancies
• Deploy endpoint detection and response (EDR) solutions capable of detecting Android privilege escalation patterns

Monitoring Recommendations

• Enable enhanced logging for permission-related system calls on Android devices
• Monitor for unusual application behavior patterns that indicate potential privilege escalation
• Implement mobile threat defense (MTD) solutions to detect and alert on exploitation attempts
• Review security logs for applications that access resources beyond their declared permission scope

How to Mitigate CVE-2025-48653

Immediate Actions Required

• Apply the March 2026 Android security patch immediately to all affected devices
• Review installed applications for suspicious behavior or unexpected permission usage
• Consider temporarily restricting installation of applications from unknown sources until patching is complete
• Deploy mobile device management (MDM) policies to enforce security updates

Patch Information

Google has addressed this vulnerability in the Android Security Bulletin March 2026. Organizations should ensure all managed Android devices running versions 14.0, 15.0, or 16.0 are updated to the latest security patch level (2026-03-01 or later).

Enterprise environments should prioritize deployment through MDM solutions and verify patch compliance across the device fleet.

Workarounds

• Limit application installations to trusted sources (Google Play Store with Play Protect enabled) until patches are applied
• Enable Google Play Protect to detect potentially harmful applications
• Implement application vetting processes to review applications before deployment in enterprise environments
• Consider network-level controls to limit the potential impact of compromised devices

# Verify Android security patch level on device
adb shell getprop ro.build.version.security_patch
# Expected output: 2026-03-01 or later for patched devices

# Check for pending security updates
adb shell pm list packages -f | grep -i "securityupdate"