NoMachine Named Pipe Incorrect Permission Assignment Local Privilege Escalation Vulnerability

October 15th, 2026
ZDI-26-773 ZDI-CAN-31213

CVE ID

CVE-2026-111184

CVSS Score

7.8 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

NoMachine

Affected Products

NoMachine

Vulnerability Details

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.

Additional Details

Fixed in in v10, v9 and v8
https://kb.nomachine.com/TR08X11946


Disclosure Timeline

  • 2026-08-07 - Vulnerability reported to vendor
  • 2026-10-15 - Coordinated public release of advisory
  • 2026-10-15 - Advisory Updated

Credit

Anonymous

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