CVE-2026-92208

HighCVSS 8.8/10Last modified Oct 23, 2026

Description

NoMachine mDNS Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NoMachine. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the parsing of mDNS resource records. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-30982.

Metrics

CVSS 3.0 8.8/10CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
NoMachine	NoMachine	9.8.2_1

References

https://www.zerodayinitiative.com/advisories/ZDI-26-710/

Timeline

Published: Oct 21, 2026
Last modified: Oct 23, 2026
NVD status: Awaiting Analysis

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