CVE-2026-0110 in Android
Summary
by MITRE • 03/10/2026
In MM_DATA_IND of cn_NrSmMsgHdlrFromMM.cpp, there is a possible EoP due to memory corruption. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 03/16/2026
The vulnerability identified as CVE-2026-0110 resides within the MM_DATA_IND handling functionality of the cn_NrSmMsgHdlrFromMM.cpp component, representing a critical elevation of privilege weakness that can be exploited remotely without requiring any additional execution privileges or user interaction. This flaw manifests as a memory corruption issue that fundamentally compromises the integrity of the system's privilege management mechanisms. The vulnerability's presence in the message handling layer suggests it operates at a foundational level where mobile network signaling messages are processed, making it particularly dangerous as it can be triggered through legitimate network communication channels.
The technical implementation flaw stems from improper memory handling within the MM_DATA_IND message processing routine, where insufficient bounds checking or memory validation occurs during data reception and processing. This memory corruption vulnerability creates opportunities for attackers to manipulate the system's execution flow or overwrite critical memory regions that control privilege levels. The absence of user interaction requirements indicates that exploitation can occur entirely through network-based attacks, making it particularly concerning for mobile network infrastructure and devices that process such signaling messages. According to CWE classification, this vulnerability aligns with CWE-121, heap-based buffer overflow, and CWE-787, out-of-bounds write, both of which are well-documented patterns that enable privilege escalation attacks.
The operational impact of this vulnerability extends beyond simple privilege elevation, as it can potentially allow attackers to gain full system control or access to sensitive data without any authentication requirements. Mobile network operators and device manufacturers face significant risk since this vulnerability can be exploited through standard network signaling protocols that are essential for mobile communication services. The remote exploitation capability means that attackers can target vulnerable systems from outside the network perimeter, potentially affecting large numbers of devices simultaneously. This vulnerability directly maps to ATT&CK technique T1068, locally executed commands, and T1059, command and scripting interpreter, as it provides a mechanism for attackers to execute arbitrary code with elevated privileges. The implications for mobile network security are severe, as it could enable attackers to manipulate network signaling, intercept communications, or even take control of network infrastructure components.
Mitigation strategies for CVE-2026-0110 should prioritize immediate patching of affected systems and implementation of network segmentation to limit exposure. Organizations must ensure that all mobile network equipment and devices processing MM_DATA_IND messages are updated with security patches that address the memory corruption issue. Network monitoring should be enhanced to detect unusual signaling message patterns that might indicate exploitation attempts. Additionally, implementing strict input validation and bounds checking mechanisms within the message handling routines can help prevent similar vulnerabilities from occurring in the future. The vulnerability's severity classification as high or critical necessitates immediate attention from security teams, as it represents a fundamental weakness in the system's security architecture that can be exploited without user interaction or additional privileges.