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CVE-2019-0715

Windows Hyper-V Denial of Service Vulnerability

5.8 Medium

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application that causes a host machine to crash. The update addresses the vulnerability by modifying how virtual machines access the Hyper-V Network Switch.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

5.00%Down 0.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 5.8

Windows Hyper-V Denial of Service Vulnerability

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application that causes a host machine to crash. The update addresses the vulnerability by modifying how virtual machines access the Hyper-V Network Switch.

Record
CVE-2019-0715
CVSS 3.1
5.8 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C
Updated
2026-11-02
EUVDEUVD-2019-1475 5.8

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application that causes a host machine to crash. The update addresses the vulnerability by modifying how virtual machines access the Hyper-V Network Switch.

Record
EUVD-2019-1475
CVSS 3.1
5.8 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C
Updated
2026-11-03
GitHub AdvisoriesGHSA-425q-pgcw-3w5r 6.2

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server...

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka 'Windows Hyper-V Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0714, CVE-2019-0717, CVE-2019-0718, CVE-2019-0723.

Record
GHSA-425q-pgcw-3w5r
CVSS 3.0
6.2 MediumCVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02
NVD 5.8

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application that causes a host machine to crash. The update addresses the vulnerability by modifying how virtual machines access the Hyper-V Network Switch.

Record
CVE-2019-0715
CVSS 3.1
5.8 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0
5.5 MediumAV:A/AC:L/Au:S/C:N/I:N/A:C
Weakness
CWE-20
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

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

In short

CVE-2019-0715 is a medium vulnerability (CVSS 5.8) in Microsoft Windows 10 Version 1507, published August 14, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.00%, the 92nd percentile. No source names a fixed version.

References

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