What is CVE-2025-59887?

CVE-2025-59887 is a high-severity vulnerability in Eaton Ups Companion Software, classified under Uncontrolled Search Path Element. CVSS score: 8.6/10. Published 2025-12-26.

How severe is CVE-2025-59887?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Eaton Ups Companion Software

CVE-2025-59887

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.

EPSS: 0.003 (19.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Eaton Ups Companion Software — versions 0
Eaton Ups_companion

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

CybersecurityCOE@eaton.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-59887?: CVE-2025-59887 is a high-severity vulnerability in Eaton Ups Companion Software, classified under Uncontrolled Search Path Element. CVSS score: 8.6/10. Published 2025-12-26.
How severe is CVE-2025-59887?: High severity. CVSS v3 base score is 8.6 out of 10.