Vulnerability · Published Apr 11, 2026 · Assigned by zdi

CVE-2026-5055NoMachine Uncontrolled Search Path Element Local Privilege Escalation Vulnerability

High 7.8

In plain English

A high-severity uncontrolled search path in NoMachine from NoMachine. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.0)7.8High

Exploit odds (30 days)0.2%top 88.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

NoMachine Uncontrolled Search Path Element Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of NoMachine. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the NoMachine Device Server. The product loads a library from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-28494.

Affected products (as reported)

Vendor	Product	Versions
NoMachine	NoMachine	9.2.18_1

Weakness: CWE-427 · Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ZDI-26-249 x_research-advisory