# CVE-2019-0711: Windows Hyper-V Denial of Service Vulnerability

CVE-2019-0711 is fixed in 18 products on 1 platform, first by KB4503267, released June 11, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-0711
- Priority: Routine
- CVSS: 6.8 (Important)
- EPSS: 0.0188
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jun 11, 2019
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0711

## Description

<p>A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system. 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.</p> <p>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.</p> <p>The security update addresses the vulnerability by resolving a number of conditions where Hyper-V would fail to prevent a guest operating system from sending malicious requests.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.3025 | [KB4503267](https://patchblox.com/security/data/fix/microsoft/kb4503267.md) | Jun 11, 2019 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.1868 | [KB4503279](https://patchblox.com/security/data/fix/microsoft/kb4503279.md) | Jun 11, 2019 |
| Microsoft | Windows 10 Version 1709 for ARM64-based Systems | 16299.1217 | [KB4503284](https://patchblox.com/security/data/fix/microsoft/kb4503284.md) | Jun 11, 2019 |
| Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.1217 | [KB4503284](https://patchblox.com/security/data/fix/microsoft/kb4503284.md) | Jun 11, 2019 |
| Microsoft | Windows 10 Version 1803 for ARM64-based Systems | 17134.829 | [KB4503286](https://patchblox.com/security/data/fix/microsoft/kb4503286.md) | Jun 11, 2019 |
| Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.829 | [KB4503286](https://patchblox.com/security/data/fix/microsoft/kb4503286.md) | Jun 11, 2019 |
| Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.557 | [KB4503327](https://patchblox.com/security/data/fix/microsoft/kb4503327.md) | Jun 11, 2019 |
| Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.557 | [KB4503327](https://patchblox.com/security/data/fix/microsoft/kb4503327.md) | Jun 11, 2019 |
| Microsoft | Windows 10 for x64-based Systems | 10240.18244 | [KB4503291](https://patchblox.com/security/data/fix/microsoft/kb4503291.md) | Jun 11, 2019 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4503276](https://patchblox.com/security/data/fix/microsoft/kb4503276.md) | Jun 11, 2019 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4503290](https://patchblox.com/security/data/fix/microsoft/kb4503290.md) | Jun 11, 2019 |
| Microsoft | Windows RT 8.1 |  | [KB4503276](https://patchblox.com/security/data/fix/microsoft/kb4503276.md) | Jun 11, 2019 |
| Microsoft | Windows Server 2012 R2 |  | [KB4503276](https://patchblox.com/security/data/fix/microsoft/kb4503276.md) | Jun 11, 2019 |
| Microsoft | Windows Server 2012 R2 |  | [KB4503290](https://patchblox.com/security/data/fix/microsoft/kb4503290.md) | Jun 11, 2019 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4503276](https://patchblox.com/security/data/fix/microsoft/kb4503276.md) | Jun 11, 2019 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4503290](https://patchblox.com/security/data/fix/microsoft/kb4503290.md) | Jun 11, 2019 |
| Microsoft | Windows Server 2016 | 14393.3025 | [KB4503267](https://patchblox.com/security/data/fix/microsoft/kb4503267.md) | Jun 11, 2019 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.3025 | [KB4503267](https://patchblox.com/security/data/fix/microsoft/kb4503267.md) | Jun 11, 2019 |
| Microsoft | Windows Server 2019 | 17763.557 | [KB4503327](https://patchblox.com/security/data/fix/microsoft/kb4503327.md) | Jun 11, 2019 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.557 | [KB4503327](https://patchblox.com/security/data/fix/microsoft/kb4503327.md) | Jun 11, 2019 |
| Microsoft | Windows Server, version 1803  (Server Core Installation) | 17134.829 | [KB4503286](https://patchblox.com/security/data/fix/microsoft/kb4503286.md) | Jun 11, 2019 |

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