CVE-2025-48626: Google Android Privilege Escalation Flaw

CVE-2025-48626 Overview

CVE-2025-48626 is a critical privilege escalation vulnerability affecting Google Android devices. The flaw exists in multiple locations within the Android framework and allows an attacker to launch an application from the background due to a precondition check failure. This vulnerability enables remote escalation of privilege without requiring any additional execution privileges or user interaction, making it particularly dangerous for affected devices.

Critical Impact

Remote attackers can exploit this precondition check failure to escalate privileges on affected Android devices without user interaction, potentially gaining unauthorized access to sensitive device functions and data.

Affected Products

• Google Android 13.0
• Google Android 14.0
• Google Android 15.0
• Google Android 16.0

Discovery Timeline

• 2025-12-08 - CVE-2025-48626 published to NVD
• 2025-12-08 - Last updated in NVD database

Technical Details for CVE-2025-48626

Vulnerability Analysis

This vulnerability stems from a precondition check failure within multiple locations of the Android operating system. The flaw allows applications to be launched from the background in scenarios where such behavior should be explicitly blocked by the operating system's security controls. The vulnerability affects core Android framework components, specifically within the frameworks/base and packages/apps/Launcher3 components.

The attack requires no user interaction and can be executed remotely over the network. An attacker exploiting this vulnerability does not need any existing privileges on the target device, and successful exploitation results in complete compromise of confidentiality, integrity, and availability of the affected system.

Root Cause

The root cause of CVE-2025-48626 is categorized under CWE-693 (Protection Mechanism Failure). The Android framework fails to properly validate preconditions before allowing an application to launch from the background context. This protection mechanism failure means that security checks designed to prevent unauthorized background application launches are bypassed, allowing malicious actors to execute applications in elevated contexts.

Attack Vector

The vulnerability is exploitable over the network without requiring authentication or user interaction. An attacker can craft malicious requests or payloads that trigger the precondition check failure, resulting in unauthorized application launches that bypass the normal security restrictions of the Android operating system.

The attack flow involves:

1. The attacker sends a specially crafted network request to the target device
2. The request triggers the flawed precondition check logic in the Android framework
3. The precondition check fails to properly validate the launch context
4. An application is launched from the background with escalated privileges
5. The attacker gains elevated access to device resources and functionality

Detection Methods for CVE-2025-48626

Indicators of Compromise

• Unexpected application launches occurring without user interaction or notification
• Anomalous network traffic patterns associated with background application activity
• System logs showing unauthorized intent broadcasts or activity manager events
• Unusual privilege escalation attempts in Android audit logs

Detection Strategies

• Monitor Android system logs for unexpected ActivityManager events indicating background launches
• Implement network-based detection for suspicious payloads targeting Android framework components
• Deploy mobile threat detection solutions capable of identifying anomalous application behavior
• Review device logs for precondition validation failures in framework components

Monitoring Recommendations

• Enable verbose logging on Android devices in enterprise environments to capture detailed framework activity
• Implement Mobile Device Management (MDM) solutions with real-time threat monitoring capabilities
• Configure SentinelOne Mobile to detect and alert on privilege escalation attempts and unauthorized application behavior
• Establish baseline application launch patterns to identify anomalous activity indicative of exploitation

How to Mitigate CVE-2025-48626

Immediate Actions Required

• Apply the December 2025 Android Security Bulletin patches immediately to all affected devices
• Prioritize patching devices running Android versions 13.0 through 16.0
• Implement network segmentation to limit exposure of vulnerable devices until patches can be applied
• Enable SentinelOne Mobile protection on enterprise Android devices for real-time threat detection

Patch Information

Google has released security patches addressing this vulnerability as part of the December 2025 Android Security Bulletin. The fixes include commits to the Android Framework (commit 9fb37191609f7cb7b2374531cafb2d00ec8b4bec) and Android Launcher3 (commit 7628af9bf77f1d145359bf4075a6674574cae496). Organizations should coordinate with device manufacturers to ensure timely deployment of these patches.

Workarounds

• Restrict network access to vulnerable devices by placing them behind firewalls with strict ingress filtering
• Disable unnecessary network services on affected Android devices until patches are available
• Use Mobile Application Management (MAM) policies to restrict application installation and launch permissions
• Consider temporary isolation of high-value devices running affected Android versions from untrusted networks