CVE-2026-0118 in Android
Summary
by MITRE • 03/11/2026
In oobconfig, there is a possible bypass of carrier restrictions due to a logic error. 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 • 03/16/2026
The vulnerability identified as CVE-2026-0118 resides within the oobconfig component, a system configuration module that manages carrier restrictions and access controls. This flaw represents a critical logic error that fundamentally undermines the security controls designed to prevent unauthorized access to system resources. The vulnerability manifests as an insufficient authorization check mechanism that fails to properly validate carrier restrictions, creating a pathway for privilege escalation without requiring any additional execution privileges or user interaction. The absence of user interaction requirements significantly amplifies the exploitability of this vulnerability, as it can be triggered automatically without any human intervention or additional attack vectors.
The technical root cause of this vulnerability aligns with CWE-284, which describes improper access control mechanisms where systems fail to properly enforce authorization checks. The logic error within oobconfig appears to stem from flawed validation routines that do not adequately verify carrier restrictions before granting access to privileged system resources. This type of vulnerability typically occurs when developers assume certain access controls are sufficient without implementing comprehensive validation checks. The flaw likely exists in the configuration parsing or validation logic where carrier-specific restrictions are not properly enforced during system operations. The vulnerability's design allows an attacker to bypass these carrier restrictions through a logical flaw that permits access to resources that should be restricted based on carrier parameters.
From an operational impact perspective, this vulnerability creates a significant risk for local privilege escalation attacks where an unprivileged user or process can gain elevated system privileges without additional exploitation techniques. The implications extend beyond simple access control bypass, as this vulnerability can potentially allow attackers to modify system configurations, access sensitive data, or establish persistent access to the affected system. The local escalation of privilege means that even if an attacker initially has minimal system access, they can leverage this vulnerability to gain administrative or root-level privileges. This type of vulnerability is particularly concerning in environments where multiple users share systems or where default configurations might expose the system to unauthorized access.
The mitigation strategies for CVE-2026-0118 should focus on implementing robust access control validation mechanisms and strengthening the carrier restriction enforcement logic within oobconfig. System administrators should immediately apply available patches or updates that address the specific logic error in the configuration validation routines. Additionally, implementing comprehensive monitoring and logging of configuration changes can help detect unauthorized access attempts. The vulnerability's characteristics align with ATT&CK technique T1068, which covers local privilege escalation through system configuration flaws, making it essential to implement layered security controls. Organizations should also consider implementing principle of least privilege principles and regular security audits of system configuration components to prevent similar logic errors from occurring in other system modules. The remediation process should include thorough code review of the oobconfig component to identify and address any additional similar logic flaws that may exist within the same codebase.