ZDI-26-773: NoMachine Named Pipe Incorrect Permission Assignment Local Privilege Escalation Vulnerability
ZDI disclosed a CVSS 7.8 named-pipe permission flaw in NoMachine that allows local privilege escalation.
Named pipe permission flaw enables local SYSTEM escalation in NoMachine
NoMachine Device Service assigns incorrect permissions to a named pipe. A local attacker who can already run low-privileged code can use that pipe to escalate privileges and execute arbitrary code as SYSTEM. No user interaction is required. Affected and fixed NoMachine versions are not stated.
What to do: NoMachine has not listed a fixed version for CVE-2026-111184. No workaround is named.
| Product | Affected |
|---|---|
| NoMachine | — |
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
NoMachine Named Pipe Incorrect Permission Assignment 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 Service. The issue results from incorrect permissions on a named pipe. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-31213.
ZDI disclosed a CVSS 7.8 named-pipe permission flaw in NoMachine that allows local privilege escalation.
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