CVE-2019-1389 json
A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated u…
published 6y ago modified 4mo ago also EUVD-2019-9946
- cvss
- 8.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.9%
- EPSS 4.9% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-1397, CVE-2019-1398.
Patch / fix
Is CVE-2019-1389 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
4.89% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.4 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 7.7 | AV:A/AC:L/Au:S/C:C/I:C/A:C |
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-2019-1389
patch, vendor-advisory
Sources
- CVE List CVE-2019-1389
- NVD CVE-2019-1389
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.