An uninitialised stack variable in the nxfuse component that is part of the Open Source…
Priority MEDIUM 40CWE-665Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.03089 87th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nomachine:nomachine:*:*:*:*:*:*:*:* | up to 6.0.66_2 | Vulnerable | NoMachine |
| cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_8:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
- cpe:2.3:a:nomachine:nomachine:*:*:*:*:*:*:*:* Versions up to 6.0.66_2 Vulnerable ·NoMachine
- cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_8:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-6947
- 2026-10-03 Alias added: GHSA-f2ff-vvqc-39wr
References
Sources
- CVE-2018-6947 · CVE Program
- CVE-2018-6947 · NVD
- FIRST EPSS
- GHSA-f2ff-vvqc-39wr · GitHub Advisory Database · CC BY 4.0
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