CVE-2018-10507 in OfficeScan
Summary
by MITRE
A vulnerability in Trend Micro OfficeScan 11.0 SP1 and XG could allow a attacker to take a series of steps to bypass or render the OfficeScan Unauthorized Change Prevention inoperable on vulnerable installations. An attacker must already have administrator privileges in order to exploit this vulnerability.
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Analysis
by VulDB Data Team • 10/18/2025
The vulnerability identified as CVE-2018-10507 affects Trend Micro OfficeScan versions 11.0 SP1 and XG, representing a significant security weakness in endpoint protection software. This flaw specifically targets the Unauthorized Change Prevention feature, which is designed to protect critical system files and configurations from unauthorized modifications. The vulnerability operates at the privilege escalation and access control level, making it particularly dangerous in enterprise environments where OfficeScan serves as a primary security control. The issue stems from inadequate validation mechanisms that fail to properly enforce access restrictions, creating a pathway for malicious actors to circumvent critical security controls.
The technical implementation of this vulnerability allows an attacker with existing administrative privileges to manipulate the OfficeScan configuration in ways that disable or bypass the Unauthorized Change Prevention functionality. This represents a failure in the software's security architecture where the system does not properly validate the legitimacy of administrative actions or maintain proper audit trails of configuration changes. The flaw essentially creates a situation where legitimate administrative access can be used to undermine the very security mechanisms that are supposed to protect the system. From a cybersecurity perspective, this vulnerability aligns with CWE-284, which addresses improper access control, and demonstrates how internal security controls can be subverted by authenticated users with elevated privileges.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it fundamentally compromises the integrity of the endpoint security posture. When the Unauthorized Change Prevention mechanism is rendered inoperable, it allows attackers to modify critical security policies, disable monitoring features, or alter system configurations without detection. This creates a persistent backdoor that can be exploited over time, potentially leading to complete system compromise. The vulnerability's exploitation requires only existing administrative access, making it particularly concerning because it leverages legitimate user privileges to undermine security controls. Organizations using affected OfficeScan versions face significant risk as attackers can silently disable security features while maintaining administrative access, effectively creating a stealthy attack vector that bypasses traditional detection mechanisms.
Mitigation strategies for this vulnerability should focus on immediate patch deployment, as Trend Micro has released updates addressing the specific flaw. System administrators should implement strict access control policies, ensuring that administrative privileges are granted only to trusted users and that comprehensive audit logging is enabled for all administrative activities. Network segmentation and monitoring of administrative access patterns can help detect anomalous behavior that might indicate exploitation attempts. The vulnerability highlights the importance of maintaining up-to-date security software and implementing defense-in-depth strategies that do not rely solely on a single security control. Organizations should also consider implementing privileged access management solutions and regular security assessments to identify similar weaknesses in their security infrastructure. This vulnerability demonstrates the critical need for continuous security monitoring and validation of security controls to ensure they function as intended even when faced with legitimate administrative access.