CVE-2025-48635 in Android
Summary
by MITRE • 03/02/2026
In multiple functions of TaskFragmentOrganizerController.java, there is a possible activity token leak due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 03/09/2026
The vulnerability identified as CVE-2025-48635 represents a critical security flaw within the TaskFragmentOrganizerController.java component where improper handling of activity tokens creates potential for local privilege escalation. This issue stems from a logic error in multiple functions that govern how activity tokens are managed and processed within the application's task fragment organization system. The flaw allows an attacker to potentially exploit the token leak mechanism to gain elevated privileges without requiring any additional execution privileges or user interaction, making it particularly dangerous in environments where local access is possible.
The technical root cause of this vulnerability lies in the improper management of activity tokens during task fragment operations, where the code fails to properly invalidate or reset token states after specific function calls. This logic error creates a scenario where activity tokens remain accessible or reusable in contexts where they should be restricted, potentially allowing unauthorized access to privileged operations. The vulnerability manifests in multiple functions within the controller, indicating a systemic issue rather than an isolated flaw. According to CWE classification, this corresponds to CWE-284: Improper Access Control, as the flaw enables unauthorized privilege escalation through improper token handling mechanisms.
From an operational perspective, this vulnerability presents significant risk to systems where the TaskFragmentOrganizerController is deployed, particularly in environments where local users might have access to the system but not administrative privileges. The lack of user interaction requirement for exploitation means that an attacker could potentially leverage this vulnerability silently, without detection, making it especially concerning for enterprise environments where local access controls are typically assumed to be sufficient. The privilege escalation occurs at the local level, meaning that even if the initial access is limited, the vulnerability could allow attackers to gain system-level privileges or access to restricted resources that should otherwise be protected.
The implications of this vulnerability extend beyond simple privilege escalation, as it could potentially enable attackers to access sensitive system resources, modify critical application data, or establish persistent access to the compromised system. Attackers could exploit this flaw to perform actions that would normally require administrative privileges, potentially leading to data breaches, system compromise, or further lateral movement within the network. The absence of user interaction requirements makes this vulnerability particularly attractive to automated exploitation tools and makes it more likely to be discovered and weaponized by threat actors. Security practitioners should consider this vulnerability in the context of ATT&CK framework's privilege escalation techniques, specifically focusing on local privilege escalation methods that leverage application logic flaws.
Mitigation strategies should focus on immediate code review and patching of the TaskFragmentOrganizerController.java component, ensuring that all functions properly manage activity token lifecycle and implement proper access controls. Organizations should conduct comprehensive security assessments of similar components within their systems to identify potential analogues of this vulnerability. Additionally, implementing proper input validation, access control mechanisms, and token management protocols can help prevent similar issues from occurring in the future. Regular security testing and code analysis should be performed to identify and remediate logic errors that could lead to privilege escalation vulnerabilities. The vulnerability underscores the importance of thorough code review processes and proper security testing, particularly for components handling sensitive access control mechanisms and privilege management functions.