CVE-2026-24926 is an out-of-bounds write vulnerability classified under CWE-787 found in the camera module of Huawei's HarmonyOS version 6.0.0. This vulnerability arises when the software writes data outside the bounds of allocated memory, potentially overwriting critical data structures or executable code. The flaw does not require any privileges or user interaction to exploit, but the attacker must have local access to the device. Successful exploitation can lead to arbitrary code execution, complete compromise of confidentiality, integrity, and availability, or cause a denial of service by crashing the camera module or the entire system. The vulnerability has a CVSS 3.1 base score of 8.4, reflecting its high impact and relatively low attack complexity. Although no exploits are currently known in the wild, the vulnerability poses a significant risk given the widespread use of Huawei devices running HarmonyOS, especially in environments where the camera module is active or accessible. The lack of available patches at the time of publication increases the urgency for mitigation and monitoring. The vulnerability's presence in a core OS component used in consumer and enterprise devices highlights the potential for broad impact across multiple sectors.

For European organizations, this vulnerability could lead to severe operational disruptions and data breaches, particularly in sectors relying on Huawei HarmonyOS devices such as telecommunications, government, and critical infrastructure. The ability to execute arbitrary code or cause denial of service without user interaction or privileges means attackers could leverage this flaw to gain persistent access or disrupt services. Confidentiality breaches could expose sensitive information captured or processed by the camera module. Integrity and availability impacts could result in compromised device functionality or outages, affecting business continuity. The risk is heightened in environments where devices are physically accessible or shared among multiple users. Additionally, the vulnerability could be exploited for espionage or sabotage, especially in strategic sectors. The absence of known exploits currently provides a window for proactive defense, but the high CVSS score and potential impact necessitate urgent attention.

1. Monitor Huawei's official security advisories and apply patches immediately upon release to address CVE-2026-24926. 2. Restrict physical and local access to devices running HarmonyOS 6.0.0, especially those with active camera modules, to reduce exploitation risk. 3. Implement strict access controls and device usage policies to limit exposure of vulnerable devices. 4. Deploy endpoint detection and response (EDR) solutions capable of monitoring unusual behavior in camera modules or memory usage indicative of exploitation attempts. 5. Conduct regular security audits and vulnerability assessments on devices running HarmonyOS to identify and remediate potential weaknesses. 6. Educate users and administrators about the risks associated with local device access and encourage reporting of unusual device behavior. 7. Where feasible, isolate critical systems from devices running vulnerable OS versions to limit lateral movement. 8. Maintain up-to-date backups and incident response plans to quickly recover from potential denial of service or compromise scenarios.