DLL Hijacking in EfficientLab Controlio Leads to Local Privilege Escalation

published 2026-04-23 6 mo ago modified 2026-10-07 33 d ago also EUVD-2025-209559

cvss: 5.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

EfficientLab Controlio before v1.3.95 contains a DLL hijacking vulnerability caused by weak folder permissions in the installation directory. A local attacker can place a specially crafted DLL in this directory and achieve arbitrary code execution with highest privileges, because the affected service runs as NT AUTHORITY\SYSTEM.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 6 mo ago (2026-04-23)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.1	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
CNA	3.1	5.1	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N

Affected products

EfficientLab, LLC Controlio

Classification

Weakness

CWE-427 Uncontrolled Search Path Element

References

r.sec-consult.com /controlio
third-party-advisory
kb.controlio.net /hc/en-us/articles/45777908471185-Client-Update-April-15-2026-ver-1-3-95
release-notes
seclists.org /fulldisclosure/2026/Apr/19

Sources

CVE List CVE-2025-10549
NVD CVE-2025-10549

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary