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CVE-2026-5397— Vulnerability Related to an Uncontrolled Search Path Element in a UPS Management Application

Quick assessment

Affected
OMRON SOCIAL SOLUTIONS CO., Ltd. PowerAttendant Standard Edition
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OMRON PowerAttendant是日本欧姆龙（OMRON）公司的一款电源管理软件。 OMRON PowerAttendant存在安全漏洞，该漏洞源于安装目录权限设置不当，可能导致恶意行为者放置并执行具有管理员权限的DLL。

CVSS 7.8 · High EPSS 0.14% · P3
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I. Basic Information for CVE-2026-5397

Vulnerability Information
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Vulnerability Title
Vulnerability Related to an Uncontrolled Search Path Element in a UPS Management Application
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
OMRON PowerAttendant 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OMRON PowerAttendant是日本欧姆龙（OMRON）公司的一款电源管理软件。 OMRON PowerAttendant存在安全漏洞，该漏洞源于安装目录权限设置不当，可能导致恶意行为者放置并执行具有管理员权限的DLL。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OMRON SOCIAL SOLUTIONS CO., Ltd. PowerAttendant Standard Edition 2.1.2 or lower -

II. Public POCs for CVE-2026-5397

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III. Intelligence Information for CVE-2026-5397

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IV. Related Vulnerabilities

Same product: PowerAttendant Standard Edition
Same vendor: OMRON SOCIAL SOLUTIONS CO., Ltd.
Same weakness: CWE-427

V. Comments for CVE-2026-5397

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