CVE-2019-0635
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system...
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'.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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'.
- Record
CVE-2019-0635- CVSS 3.0
- 6.2 Medium
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N - CVSS 2.0
- 5.5 Medium
AV:A/AC:L/Au:S/C:C/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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'.
- Record
CVE-2019-0635- Updated
- 2026-11-02
EUVDEUVD-2019-1399 No score
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'.
- Record
EUVD-2019-1399- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j2jm-rqw4-wfh2
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system...
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'.
- Record
GHSA-j2jm-rqw4-wfh2- CVSS 3.0
- 6.2 Medium
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-0635 is a medium vulnerability (CVSS 6.2) in Microsoft Windows, published March 5, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.44%, the 84th percentile. No source names a fixed version.