CVE-2026-58979 in Android
Summary
by MITRE • 11/02/2026
In canPresent of PresentationController.java, there is a possible permission bypass 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.
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Analysis
by VulDB Data Team • 11/02/2026
The vulnerability identified within the presentation controller component represents a critical logical flaw that undermines the intended access control mechanisms of the application architecture. Specifically, the issue resides in the canPresent method logic where the validation checks fail to properly enforce privilege boundaries before allowing state transitions or resource presentations. This type of error typically occurs when developers assume certain preconditions are met without verifying them at runtime, leading to a situation where an actor with lower privileges can trigger actions reserved for higher-privileged entities. The absence of proper authorization checks allows unauthorized users to bypass security constraints that should restrict their capabilities based on their assigned roles or permissions levels.
From a technical perspective, this logic error facilitates local privilege escalation by allowing unauthenticated or low-privilege processes to execute code paths intended for administrators or system-level services. Because the flaw relies on incorrect state management rather than buffer overflows or memory corruption, it does not require complex exploitation techniques such as shellcode injection or heap spraying. The attacker simply needs to invoke the specific API endpoint or method associated with the presentation controller under conditions that bypass the flawed validation logic. This simplicity makes the vulnerability highly exploitable in environments where attackers have achieved initial access through other means, such as phishing or exploiting a separate network-facing service.
The operational impact of this vulnerability is significant due to its potential for silent privilege escalation without user interaction. Since no user intervention is required, an attacker who has gained foothold on the system can automatically escalate privileges by triggering the vulnerable code path during normal application operation. This capability effectively neutralizes the security boundary between standard users and privileged accounts, potentially granting access to sensitive data, configuration files, or administrative functions that were previously protected. In enterprise environments, this could lead to full system compromise if the escalated privileges allow further lateral movement or persistence mechanisms to be established.
This vulnerability aligns with CWE-269 Improper Privilege Management, as it involves a failure to enforce appropriate access controls for specific actions within the application logic. Furthermore, from an offensive security perspective, this behavior is consistent with ATT&CK technique T1078 Valid Accounts, where attackers leverage legitimate credentials or system states to gain higher levels of access than originally intended. The lack of user interaction also correlates with automated exploitation patterns often seen in worm-like propagation scenarios within internal networks.
Mitigation strategies must focus on implementing strict authorization checks at every entry point that modifies state or presents resources. Developers should adopt a principle of least privilege design, ensuring that each method validates the caller's permissions against explicit allowlists rather than relying on implicit assumptions about system state. Input validation alone is insufficient; robust access control lists and role-based access control mechanisms must be integrated into the presentation layer to prevent unauthorized transitions. Additionally, implementing comprehensive logging for permission checks can aid in detecting attempted exploitation attempts during post-incident analysis or through real-time monitoring solutions.