CVE-2026-20486 in MT2718
Summary
by MITRE • 08/03/2026
In imgsensor, there is a possible application crash due to incorrect error handling. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11012302; Issue ID: MSV-7833.
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Analysis
by VulDB Data Team • 08/03/2026
The vulnerability exists within the imgsensor component of the system architecture, specifically manifesting as a critical error handling flaw that can result in application crashes. This issue represents a significant security weakness that operates at the kernel level where sensor data processing occurs, potentially affecting device stability and security posture. The flaw demonstrates poor defensive programming practices where error conditions are not properly managed, leading to unintended program termination that could be exploited by malicious actors.
The technical implementation of this vulnerability stems from inadequate exception handling mechanisms within the sensor driver code. When specific error conditions occur during image sensor data processing, the system fails to gracefully handle these scenarios, resulting in abrupt application termination. This improper error management creates a potential attack surface where an attacker with existing system privileges could leverage this instability to escalate their privileges locally. The vulnerability operates under the principle of privilege escalation through software instability, which aligns with common exploitation patterns identified in cybersecurity frameworks.
From an operational standpoint, this vulnerability presents a substantial risk to system integrity and availability since it allows for local privilege escalation when combined with existing system access. The absence of user interaction requirements makes this particularly concerning as it enables automated exploitation without additional attack vectors. The issue manifests as a direct consequence of flawed defensive programming where error states are not properly validated or recovered from, creating potential for both denial of service and unauthorized privilege elevation scenarios.
The mitigation strategies for this vulnerability must address the fundamental error handling deficiencies within the imgsensor component. System administrators should prioritize applying the provided patch ALPS11012302 which specifically targets the identified code path causing the improper error handling. Additionally, implementing robust input validation and defensive programming practices throughout the sensor driver codebase would help prevent similar issues from occurring in future releases. Security monitoring should focus on detecting abnormal application termination patterns that could indicate exploitation attempts. This vulnerability aligns with CWE-704 which covers incorrect error handling in software components, and represents a potential pathway for attackers following the privilege escalation tactics outlined in the MITRE ATT&CK framework under the privilege escalation technique category.