Back
CVE-2019-1230
An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly…
Medium6.8EPSS 5.8%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 5.8% · top 6.8% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
- Information Disclosure
- CWE-20 (opens in a new tab)All about CWE-20 and its CVEs
Affected products
- affected 10 Version 1703 for x64-based Systems
- affected 10 Version 1709 for x64-based Systems
- affected 10 Version 1803 for x64-based Systems
- affected 10 Version 1809 for x64-based Systems
- affected version 1803 (Core Installation)
- affected 2019
- affected 2019 (Core installation)
References (1)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1230 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-1230)Record last updated .