CVE-2026-14208 Remote Utilities Pte. Ltd. CVE debrief

Who should care

Administrators and security teams responsible for systems with Remote Utilities Host installed, especially those in environments where local unprivileged attackers may be present, should prioritize patching or mitigating this vulnerability. This includes reviewing system configurations, monitoring for suspicious activity, and implementing compensating controls to restrict write access to the Remote Utilities Host installation directory. Additionally, security teams should verify the version of Remote Utilities Host installed on all systems and apply the vendor patch or upgrade to a version that corrects the insecure ACLs on DLL files. Vulnerability management and incident response teams should also be aware of the potential for exploitation and have plans in place for rapid response and remediation. IT operators and asset managers should inventory and verify the version of Remote Utilities Host installed on all systems and prioritize patching or mitigation efforts based on the system's criticality and exposure to potential threats. Security teams should also consider alternative remote access solutions with more secure configurations. Furthermore, security teams should monitor for any suspicious activity related to DLL replacement or service restarts and implement additional security measures to detect and prevent potential attacks. Security teams should also review and update their incident response plans to address this vulnerability and ensure that they are prepared to respond quickly and effectively in the event of an attack. Security awareness training should also be provided to IT staff and other relevant personnel to educate them on the risks associated with this vulnerability and the importance of prompt patching and mitigation. Finally, security teams should consider implementing additional security controls, such as restricting write access to the Remote Utilities Host installation directory, to prevent exploitation of this vulnerability. The vulnerability is rated HIGH with a CVSS score of 7.3, indicating a significant risk to affected systems. Therefore, it is essential that administrators and security teams take immediate action to patch or mitigate

Technical summary

Remote Utilities Host <=7.7.3.0 sets insecure ACLs on DLL files in its installation directory, allowing a local attacker to replace DLLs with malicious payloads that execute as NT AUTHORITY SYSTEM upon service restart. The vulnerability is caused by the insecure permissions set on the DLL files, which are loaded by a Windows service running as NT AUTHORITY SYSTEM. The service is file-locked at runtime, but a race window exists when the service is stopped, during which a local unprivileged attacker can replace a DLL with a malicious payload.

Defensive priority

CVE-2026-14208 is rated HIGH with a CVSS score of 7.3. Local attackers may exploit insecure DLL permissions to execute malicious payloads as NT AUTHORITY SYSTEM.

Recommended defensive actions

• Inventory and verify the version of Remote Utilities Host installed on all systems.
• Apply the vendor patch or upgrade to a version that corrects the insecure ACLs on DLL files.
• Implement compensating controls such as restricting write access to the Remote Utilities Host installation directory.
• Monitor for any suspicious activity related to DLL replacement or service restarts.
• Consider using alternative remote access solutions with more secure configurations.

Evidence notes

The CVE description details a vulnerability in Remote Utilities Host <=7.7.3.0 where insecure ACLs are set on DLL files in the installation directory, allowing a local unprivileged attacker to replace DLLs with malicious payloads that execute as NT AUTHORITY SYSTEM upon service restart. The vulnerability was confirmed in libasset32.dll, and additional DLLs in the same directory (eventmsg.dll, libcodec32.dll, vp8encoder.dll, vp8decoder.dll, webmvorbisdecoder.dll, webmvorbisencoder.dll, webmmux.dll) share identical insecure permissions. Further verification is needed to determine the full scope of affected systems and components.

Official resources