CVE-2026-55283 in Android
Summary
by MITRE • 11/02/2026
In multiple locations, there is a possible memory safety issue due to a use-after-free. 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 • 11/02/2026
The vulnerability described constitutes a critical security flaw rooted in improper management of dynamic memory allocation and deallocation, specifically manifesting as a use-after-free condition. In software engineering, this error occurs when a program continues to use a pointer after the memory it points to has been freed or reallocated. This typically happens due to logic errors where references to an object are not properly invalidated upon its destruction, leading to dangling pointers that retain access to deallocated heap regions. The presence of multiple instances of this flaw within the affected software indicates systemic weaknesses in the codebase's resource management protocols, suggesting a lack of rigorous memory safety checks or automated static analysis tools during the development lifecycle. Such vulnerabilities are particularly dangerous because they allow an attacker to manipulate the state of the application by writing arbitrary data into freed memory regions, which can then be interpreted as valid objects when reallocated for other purposes.
From a technical perspective, use-after-free vulnerabilities provide attackers with significant control over program execution flow and memory layout. By carefully crafting malicious input that triggers the premature freeing of an object while maintaining active references to it, an attacker can overwrite adjacent heap metadata or data structures. This manipulation can lead to arbitrary code execution by hijacking function pointers, virtual table pointers, or other critical control-flow mechanisms stored in the freed memory space. The severity is amplified by the fact that this specific vulnerability does not require user interaction for exploitation. Unlike many social engineering-based attacks, this flaw can be triggered remotely through automated requests, allowing an attacker to exploit the system without any prior authentication or physical access. This characteristic significantly lowers the barrier to entry for attackers and increases the likelihood of widespread compromise in networked environments.
The operational impact of this vulnerability is severe, primarily due to its potential for remote privilege escalation. If exploited successfully, a low-privileged user or an unauthenticated external actor could gain elevated system privileges, effectively taking control of the affected host or service. This level of access allows the attacker to bypass security controls, install persistent backdoors, exfiltrate sensitive data, and pivot further into the internal network infrastructure. The absence of required execution privileges means that even users with minimal permissions can initiate the exploit chain, making this a high-risk vector for initial compromise in enterprise environments. Furthermore, because user interaction is not needed, automated scanning tools or malicious bots can rapidly identify and exploit vulnerable systems across large networks, leading to potential mass infections and significant operational disruption.
To mitigate these risks, organizations must prioritize immediate patching of the affected software versions as soon as vendor-provided updates become available. In addition to applying patches, implementing defense-in-depth strategies is crucial for reducing exposure. Network segmentation can help isolate vulnerable services from critical internal assets, limiting lateral movement in case of a successful exploit. Deploying intrusion detection systems with signatures tailored to detect exploitation attempts related to heap corruption and memory manipulation may provide an additional layer of monitoring. Developers should also adopt secure coding practices that emphasize rigorous memory management, such as using smart pointers in C++ or garbage-collected languages where applicable, and integrating static application security testing tools into the continuous integration pipeline to catch these defects early. Regular vulnerability assessments and penetration testing focused on memory safety issues will further strengthen the organization's resilience against this class of threats aligned with CWE-416 (Use After Free) and ATT&CK techniques involving privilege escalation and remote code execution.