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CVE-2019-1230

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host...

6.8 Medium

CVE-2019-1230 is a medium vulnerability (CVSS 6.8) in Microsoft Windows, published October 10, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.80%, the 93rd percentile. No source names a fixed version.

What does this mean?
Severity
6.8 MediumCVSS 3.1, NVD
Exploit chance
5.80%EPSS, 93rd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

5.80%Up 1.2 points since Apr 14, 2021
90%50%10%1%

Affected products

What each source reports

NVD Score used6.8

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.

Record
CVE-2019-1230
CVSS 3.1
6.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness
CWE-20
Updated
2026-11-02
CVE ListNo score

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.

Record
CVE-2019-1230
Updated
2026-11-02
EUVDEUVD-2019-9797No score

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.

Record
EUVD-2019-9797
Updated
2026-11-03
GitHub AdvisoriesGHSA-v3p4-hcqh-6pxmNo score

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host...

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.

Record
GHSA-v3p4-hcqh-6pxm
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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