CVE-2019-1230 json
An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validat…
published 7y ago modified 4mo ago also EUVD-2019-9797
- cvss
- 6.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.8%
- EPSS 5.8% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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'.
Patch / fix
Is CVE-2019-1230 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
5.80% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Microsoft Windows
- Microsoft Windows Server
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-1230
patch, vendor-advisory
Sources
- CVE List CVE-2019-1230
- NVD CVE-2019-1230
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.