Improper input validation in Microsoft Windows Hyper-V
Priority LOW 28CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
A denial of service vulnerability exists when Microsoft Hyper-V running on Windows 10, Windows 10 1511, Windows 10 1607, Windows 8.1, Windows Server 2012 R2, and Windows Server 2016 host server fails to properly validate input from a privileged user on a guest operating system, aka "Hyper-V Denial of Service Vulnerability." This CVE ID is unique from CVE-2017-0179, CVE-2017-0182, CVE-2017-0183, CVE-2017-0184, CVE-2017-0185, and CVE-2017-0186.
Why it matters now
EPSS 0.01634 76th percentileScored 2026-11-07
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 |
|---|---|---|---|---|---|
| Microsoft | Windows Hyper-V | Windows 10, Windows 10 1511, Windows 10 1607, Windows 8.1, Windows Server 2012 R2, and Windows Server 2016 | — | No fix listed | CNA |
- Windows Hyper-V VendorMicrosoft Affected Windows 10, Windows 10 1511, Windows 10 1607, Windows 8.1, Windows Server 2012 R2, and Windows Server 2016 Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* | 1511 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | 1607 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | r2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* Versions 1511 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-0178
- 2026-10-03 Alias added: GHSA-pg3w-h29g-j5vv
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Sources
- CVE-2017-0178 · CVE Program
- CVE-2017-0178 · NVD
- FIRST EPSS
- GHSA-pg3w-h29g-j5vv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences