CVE-2026-5397

HIGH EPSS 2.6%

Published Apr 15, 20262mo ago · Modified Jun 17, 20261w ago

7.8 CVSS 3.1

High

Published Apr 15, 2026 2mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

7.8

Exploitability

1.1

Impact

6.0

Vector string

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector Local

Attack Complexity High

Privileges Required Low

User Interaction None

Scope Changed

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

2.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-427

References 2

omron.com https://www.omron.com/global/en/inquiry/data/OMSR-2026-001_en.pdf
omron.com https://www.omron.com/jp/ja/inquiry/data/OMSR-2026-001_ja.pdf

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.