Back
CVE-2019-0635
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an…
Medium6.2EPSS 2.4%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
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'.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.2 | CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.
Weakness
- Information Disclosure
- CWE-20 (opens in a new tab)All about CWE-20 and its CVEs
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 1703 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 1709 (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)
References (2)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0635 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 106884 (opens in a new tab)vdb-entryx_refsource_BIDx_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)
- 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://trackcve.app/cve/CVE-2019-0635)Record last updated .