CVE-2026-25191 in FinalCode
Summary
by MITRE • 02/26/2026
The installer of FinalCode Client provided by Digital Arts Inc. contains an issue with the DLL search path. If a user is directed to place a malicious DLL file and the installer to the same directory and execute the installer, arbitrary code may be executed with the installer's execution privilege.
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Analysis
by VulDB Data Team • 02/26/2026
The vulnerability identified as CVE-2026-25191 represents a critical security flaw in the installation process of FinalCode Client software distributed by Digital Arts Inc. This issue stems from improper handling of dynamic link library (DLL) search paths during the installation procedure, creating a significant attack vector that adversaries can exploit to execute malicious code with elevated privileges. The vulnerability specifically affects the installer component of the software, which operates with elevated permissions typically reserved for system-level operations, thereby amplifying the potential impact of any successful exploitation.
The technical root cause of this vulnerability lies in the installer's failure to properly resolve DLL dependencies using secure search path mechanisms. When the installer executes, it searches for required DLL files in a predictable order that includes the current working directory before checking system directories. This behavior creates an opportunity for attackers to place a malicious DLL file in the same directory as the installer, causing the installer to load and execute the attacker-controlled code instead of the legitimate system DLLs. This type of vulnerability is classified as a DLL hijacking attack pattern that aligns with the common weakness enumeration CWE-426, which specifically addresses the execution of untrusted code due to insecure search paths.
The operational impact of this vulnerability extends beyond simple code execution, as it allows attackers to potentially escalate privileges and gain unauthorized access to systems where the vulnerable software is installed. Since the installer typically runs with administrator privileges, successful exploitation could result in complete system compromise, data exfiltration, or the installation of persistent backdoors. The attack requires minimal user interaction, as the vulnerability is triggered simply by executing the installer from a directory containing a malicious DLL file. This makes the vulnerability particularly dangerous in environments where users might encounter untrusted installation packages or where attackers can influence the installation process through social engineering tactics or compromised software distribution channels.
Security professionals should consider this vulnerability in the context of the attack mitigation techniques outlined in the MITRE ATT&CK framework, particularly focusing on the execution and privilege escalation tactics that leverage insecure library loading mechanisms. The vulnerability also highlights the importance of implementing proper software supply chain security measures and conducting regular security assessments of installation components. Organizations should immediately implement mitigations including restricting write permissions to installation directories, implementing application whitelisting policies, and ensuring that all software installations are performed from trusted sources. Additionally, the vulnerability underscores the necessity of following secure coding practices such as using absolute paths for DLL loading, implementing proper DLL search path resolution, and conducting thorough security testing of installation packages before deployment. Regular security updates and patch management procedures should be prioritized to address this and similar vulnerabilities in third-party software components that may be present in enterprise environments.