CVE-2025-59887: Eaton UPS Companion Software · Uncontrolled Search Path Element
Affects Eaton UPS Companion SoftwareSource CVE Database V5
Not known to be exploited · CVSS 8.6 High.
Data as of 1 Nov 2026, 22:57 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 17% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 26 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Eaton Eaton UPS Companion Software | Affected
| Fixed in– |
AI-suggested
European organizations should immediately verify if they use Eaton UPS Companion Software and identify affected versions. They must update to the latest patched version available from Eaton's official download center to remediate the vulnerability. Until patching is complete, organizations should restrict local access to systems running the software, enforce strict user privilege management to limit installation capabilities, and monitor for suspicious activity related to software installation or DLL loading. Implement application whitelisting and integrity verification mechanisms to detect unauthorized or tampered library files. Conduct user awareness training to prevent inadvertent execution of malicious installers. Network segmentation should be employed to isolate critical UPS management systems from general user environments. Additionally, organizations should audit software deployment processes to ensure secure handling and validation of installation packages. Regular vulnerability scanning and endpoint detection and response (EDR) solutions can help identify attempts to exploit this vulnerability. Finally, maintain an incident response plan tailored to potential UPS system compromises to minimize operational impact.
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.