CVE-2026-66839 in NetKids iMark
Summary
by MITRE • 08/05/2026
NetKids iMark, provided by Integrated Systems Technologies, Inc., contains an Unquoted Search Path or Element vulnerability (CWE-428). An authenticated attacker may exploit this vulnerability to execute arbitrary code with SYSTEM privileges.
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Analysis
by VulDB Data Team • 08/05/2026
The NetKids iMark system developed by Integrated Systems Technologies represents a network security solution designed to monitor and control internet usage in educational environments. This type of software typically operates with elevated privileges to effectively manage network traffic and enforce usage policies across multiple devices within school networks. The vulnerability resides in how the application handles path resolution during component loading, creating an exploitable condition that affects system security posture.
The specific weakness manifests as an unquoted search path vulnerability classified under CWE-428, which occurs when Windows searches for executable files in a sequence of directories without proper quotation handling. When an application's path contains spaces and lacks proper quoting, the operating system will search through directory levels sequentially until it finds an executable with matching name. This behavior creates opportunities for malicious actors to place unauthorized executables in directories earlier in the search order, leading to privilege escalation.
An authenticated attacker with access to the system can exploit this vulnerability by placing a malicious executable file in one of the directories that Windows searches before the legitimate application location. Since the NetKids iMark system likely runs with elevated privileges to perform its monitoring functions, any code executed through this vector would inherit those permissions and could potentially run with SYSTEM-level privileges. This privilege escalation scenario represents a critical security flaw as it allows attackers who have gained initial access through legitimate user credentials to elevate their access rights significantly.
The operational impact of this vulnerability extends beyond simple code execution, affecting the integrity and confidentiality of network monitoring data within educational institutions. Schools relying on NetKids iMark for internet usage control could face unauthorized access to student browsing records, potential data exfiltration, and complete system compromise. The vulnerability undermines the security controls that organizations implement to protect sensitive educational environments from cyber threats.
Mitigation strategies should focus on immediate path correction through proper quotation of all executable paths during installation and configuration processes. System administrators must ensure that all application paths containing spaces are properly quoted to prevent unintended directory traversal during executable loading. Additionally, implementing least privilege principles for application execution, regular security patching, and monitoring for unauthorized executable placements in system directories would significantly reduce exploitation risks. The vulnerability aligns with attack patterns documented in the MITRE ATT&CK framework under privilege escalation techniques, specifically targeting Windows path manipulation vulnerabilities that allow attackers to execute code with elevated privileges through system component loading mechanisms.