CVE-2019-0635 json
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an aut…
published 2019-03-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-1399
- cvss
- 6.2
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Information Disclosure Vulnerability'.
Patch / fix
Exploit prediction
2.44% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.2 | CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N |
| NVD | 2.0 | 5.5 | AV:A/AC:L/Au:S/C:C/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-2019-0635
patch, vendor-advisory
-
securityfocus.com
/bid/106884
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2019-0635
- NVD CVE-2019-0635
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.