CVE-2019-1397
A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated…
- 8.4HighCVSS base score
- 4.9%Exploitation in 30 daysEPSS · top 7.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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-2019-1389, CVE-2019-1398.
Timeline
ID reserved
By microsoft
- 12 months later
· 12 months later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.4 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 4.9% · top 7.9% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.
Affected products
- affected 7 for x64-based Systems Service Pack 1
- affected 8.1 for x64-based systems
- affected 10 for x64-based Systems
- affected 10 Version 1607 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 2008 R2 for x64-based Systems Service Pack 1 (Core installation)
- affected 2008 R2 for x64-based Systems Service Pack 1
- affected 2012
- affected 2012 (Core installation)
- affected 2012 R2
- affected 2012 R2 (Core installation)
- affected 2016
- affected 2016 (Core installation)
- affected version 1803 (Core Installation)
- affected 2019
- affected 2019 (Core installation)
- affected 2008 for x64-based Systems Service Pack 2
- affected 2008 for x64-based Systems Service Pack 2 (Core installation)
Microsoft · Windows 10 Version 1903 for x64-based Systems
- affected unspecified
Microsoft · Windows Server, version 1903 (Server Core installation)
- affected unspecified
References
1
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1397 (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)
- EUVD EUVD-2019-9954 (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://cveledger.app/cve/CVE-2019-1397)Record last updated .