{"id":"CVE-2018-6947","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-6947","generatedAt":"2026-10-28T22:08:28.667Z","title":"An uninitialised stack variable in the nxfuse component that is part of the Open Source DokanFS library shipped with NoMachine 6.0.66_2 and earlier allows a local low privileged user to gain elevation of privileges on Windows 7 (32 and 64bit), and…","description":"An uninitialised stack variable in the nxfuse component that is part of the Open Source DokanFS library shipped with NoMachine 6.0.66_2 and earlier allows a local low privileged user to gain elevation of privileges on Windows 7 (32 and 64bit), and denial of service for Windows 8 and 10.","published":"2018-02-28T22:29:01.000Z","lastModified":"2026-06-17T02:02:30.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-665"],"affected":["nomachine/nomachine","microsoft/windows 10","microsoft/windows 7","microsoft/windows 8"],"epss":{"score":0.03089,"percentile":0.87646,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":false,"firstPublished":"2018-02-22","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44168,"kind":"exploit","title":"NoMachine < 6.0.80 (x64) - 'nxfuse' Privilege Escalation","url":"https://www.exploit-db.com/exploits/44168","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows_x86-64/local/44168.py","file":"exploits/windows_x86-64/local/44168.py","published":"2018-02-22","added":"2018-02-22","updated":"2018-02-23","author":"Fidus InfoSecurity","type":"local","platform":"windows_x86-64","port":null,"verified":false,"codes":["CVE-2018-6947"],"tags":"Local","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947/"},{"edbId":44167,"kind":"exploit","title":"NoMachine < 6.0.80 (x86) - 'nxfuse' Privilege Escalation","url":"https://www.exploit-db.com/exploits/44167","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows_x86/local/44167.c","file":"exploits/windows_x86/local/44167.c","published":"2018-02-22","added":"2018-02-22","updated":"2018-02-23","author":"Fidus InfoSecurity","type":"local","platform":"windows_x86","port":null,"verified":false,"codes":["CVE-2018-6947"],"tags":"Local","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947/"}]},"verdict":{"level":"urgent","text":"2 public exploits are published in Exploit-DB and the impact is high, while EPSS rates exploitation at 3.1%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"https://www.exploit-db.com/exploits/44167/","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44168/","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.nomachine.com/SU02P00194","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.nomachine.com/SU02P00195","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.nomachine.com/TR02P08408","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44167/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44168/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.nomachine.com/SU02P00194","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.nomachine.com/SU02P00195","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.nomachine.com/TR02P08408","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-6947","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}