CVE-2019-0550 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 2019-01-08 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-1320
- cvss
- 8.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.5%
- EPSS 4.5% chance of exploitation in 30 days, percentile 91%
- 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 affects Windows 10 Servers, Windows 10, Windows Server 2019. This CVE ID is unique from CVE-2019-0551.
Patch / fix
Exploit prediction
4.46% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.4 | CVSS:3.0/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 10 Servers
- Microsoft Windows 10
- Microsoft Windows Server 2019
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-0550
patch, vendor-advisory
-
securityfocus.com
/bid/106385
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2019-0550
- NVD CVE-2019-0550
Fencer Vulns 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.