CVE-2026-92208 NoMachine mDNS Heap-based Buffer Overflow Remote Code Execution Vulnerability
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-92208?
CVE-2026-92208 is a high-severity vulnerability in NoMachine, published on 21 Oct 2026.
Official 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.
Weakness: CWE-122
Which versions are affected by CVE-2026-92208?
How do I fix CVE-2026-92208?
No fix has been published for CVE-2026-92208 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-92208 being exploited?
There is no known exploitation of CVE-2026-92208 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-64r7-8gpp-2vpj.