---
title: "CVE-2026-92208: NoMachine - Remote Code Execution"
description: "NoMachine contains a heap-based buffer overflow caused by improper validation of mDNS resource record lengths, letting network-adjacent attackers execute arbitrary code remotely without authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-92208/
---

# CVE-2026-92208 NoMachine - Remote Code Execution

NoMachine contains a heap-based buffer overflow caused by improper validation of mDNS resource record lengths, letting network-adjacent attackers execute arbitrary code remotely without authentication.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-92208)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

21 October 2026

Updated

22 October 2026

Weakness

[CWE-122](https://cwe.mitre.org/data/definitions/122.html)

## Vendor fix

Update to the latest version of NoMachine.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-92208](https://nvd.nist.gov/vuln/detail/CVE-2026-92208)
- [https://www.zerodayinitiative.com/advisories/ZDI-26-710/](https://www.zerodayinitiative.com/advisories/ZDI-26-710/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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