Description
Improper authentication of library files in the Eaton UPS Companion software installer could lead to arbitrary code execution of an attacker with the access to the software package. This security issue has been fixed in the latest version of EUC which is available on the Eaton download center.
Scores
CVSS v3
8.6
EPSS
0.0001
EPSS Percentile
1.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-427
Status
published
Products (1)
eaton/ups_companion
< 3.0
Published
Dec 26, 2025
Tracked Since
Feb 18, 2026