CVE-2026-5397
Received Received - Intake
DLL Hijacking via Improper Permissions in UPS Management App

Publication date: 2026-04-15

Last updated on: 2026-04-15

Assigner: OMRON Corporation

Description
It has been identified that a vulnerability (CWE-427) exists in the UPS (Uninterruptible Power Supply) management application, whereby improper permissions on the installation directory allow a malicious actor to place a DLL that is then executed with administrator privileges. If a malicious DLL is placed in the installation directory of this product, there is a possibility that the malicious DLL may be executed by exploiting the product’s behavior of loading missing DLLs from the same directory as the executable during service startup.
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Meta Information
Published
2026-04-15
Last Modified
2026-04-15
Generated
2026-06-16
AI Q&A
2026-04-15
EPSS Evaluated
2026-06-14
NVD
CVE-2026-5397
EUVD
EUVD-2026-22837
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-427 The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.
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Executive Summary

This vulnerability (CWE-427) exists in a UPS management application where improper permissions on the installation directory allow a malicious actor to place a malicious DLL file.

The product loads missing DLLs from its installation directory during service startup, so if a malicious DLL is placed there, it may be executed with administrator privileges.

Impact Analysis

If exploited, this vulnerability can allow an attacker to execute malicious code with administrator privileges on the affected system.

This can lead to full compromise of the system, including unauthorized access, data modification, or disruption of services.

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