CVE-2026-56960 in Android
Summary
by MITRE • 09/15/2026
In multiple locations, there is a possible use-after-free due to a logic error in the code. This could lead to remote 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 • 09/15/2026
The vulnerability described represents a critical security flaw characterized by a use-after-free condition resulting from a logical error within the software's memory management routines. A use-after-free occurs when an application continues to reference a pointer after the memory it points to has been deallocated or freed. In this specific instance, the logic error likely stems from improper state tracking or race conditions where the system fails to invalidate pointers immediately upon resource release. This creates a window of opportunity for malicious actors to manipulate the heap or stack structure by writing new data into the now-unallocated memory space before it is reallocated for legitimate purposes. The presence of this flaw in multiple locations suggests a systemic issue with how the application handles object lifecycles, indicating that the root cause may be embedded deep within core architectural patterns rather than being an isolated coding mistake.
The operational impact of this vulnerability is severe due to its potential for remote privilege escalation without requiring user interaction or prior execution privileges on the target system. This classification places it among the most dangerous categories of vulnerabilities because it allows an unauthenticated attacker, potentially over a network connection, to gain elevated access rights such as administrator or root level control. The absence of required user interaction significantly lowers the barrier for exploitation, enabling automated attacks that can propagate rapidly across vulnerable systems without needing social engineering tactics like phishing links or malicious file downloads. Once exploited, this flaw could allow an attacker to execute arbitrary code with high-level privileges, install backdoors, exfiltrate sensitive data, and pivot further into internal networks, effectively compromising the integrity, confidentiality, and availability of the entire system environment.
From a technical classification perspective, this vulnerability aligns closely with CWE-416, which defines use-after-free errors as a subset of improper memory handling that leads to undefined behavior and potential code execution. The ability to escalate privileges remotely without user interaction maps directly to MITRE ATT&CK techniques involving initial access via network service exploitation followed by privilege escalation through local system manipulation. Attackers typically exploit such flaws by crafting malformed inputs or packets that trigger the specific logic error, causing the application to free memory while retaining a reference to it. By carefully controlling the data written into this freed block, often referred to as heap spraying or targeted allocation, an attacker can overwrite function pointers or object headers to redirect execution flow to malicious shellcode. This process requires precise timing and knowledge of the target's memory layout but is feasible given the lack of mitigations implied by the ease of exploitation described.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements. The primary solution involves applying vendor-provided patches that correct the logic errors responsible for the premature or incorrect deallocation of resources. Developers should implement rigorous memory management practices, such as setting pointers to null immediately after freeing them, utilizing smart pointers in C++ environments, or employing static analysis tools during the software development lifecycle to detect dangling references early. Additionally, enabling operating-level mitigations like Address Space Layout Randomization (ASLR), Data Execution Prevention (DEP), and Control Flow Guard can significantly raise the difficulty of successful exploitation by randomizing memory addresses and preventing code execution in non-executable memory regions. Organizations should also prioritize network segmentation to limit exposure to untrusted networks and deploy intrusion detection systems configured with signatures for known use-after-free exploit patterns to detect and block attempted attacks before they achieve privilege escalation.