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CVE-2026-92208

NoMachine mDNS Heap-based Buffer Overflow Remote Code Execution Vulnerability

HIGH
8.8
CVSS Score
Published: October 21, 2026 at 05:16 PM UTC
Updated: October 23, 2026 at 12:18 PM UTC
1 product affected across 1 vendorNoMachine

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_research-advisory
Source: cverecord
https://www.zerodayinitiative.com/advisories/ZDI-26-710/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHzdi
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-122

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