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 ↗

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

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

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