# CVE-2019-0690: Windows Hyper-V Denial of Service Vulnerability CVE-2019-0690 is fixed in 22 products on 1 platform, first by KB4489882, released March 12, 2019. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2019-0690 - Priority: Routine - CVSS: 6.8 (Important) - EPSS: 0.0190 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation Less Likely - Published: Mar 12, 2019 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0690 ## Description

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.

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.2848 | [KB4489882](https://patchblox.com/security/data/fix/microsoft/kb4489882.md) | Mar 12, 2019 | | Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.1689 | [KB4489871](https://patchblox.com/security/data/fix/microsoft/kb4489871.md) | Mar 12, 2019 | | Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.1029 | [KB4489886](https://patchblox.com/security/data/fix/microsoft/kb4489886.md) | Mar 12, 2019 | | Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.648 | [KB4489868](https://patchblox.com/security/data/fix/microsoft/kb4489868.md) | Mar 12, 2019 | | Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.379 | [KB4489899](https://patchblox.com/security/data/fix/microsoft/kb4489899.md) | Mar 12, 2019 | | Microsoft | Windows 10 for x64-based Systems | 10240.18158 | [KB4489872](https://patchblox.com/security/data/fix/microsoft/kb4489872.md) | Mar 12, 2019 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4489878](https://patchblox.com/security/data/fix/microsoft/kb4489878.md) | Mar 12, 2019 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4489885](https://patchblox.com/security/data/fix/microsoft/kb4489885.md) | Mar 12, 2019 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4489883](https://patchblox.com/security/data/fix/microsoft/kb4489883.md) | Mar 12, 2019 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4489881](https://patchblox.com/security/data/fix/microsoft/kb4489881.md) | Mar 12, 2019 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4489878](https://patchblox.com/security/data/fix/microsoft/kb4489878.md) | Mar 12, 2019 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4489885](https://patchblox.com/security/data/fix/microsoft/kb4489885.md) | Mar 12, 2019 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4489878](https://patchblox.com/security/data/fix/microsoft/kb4489878.md) | Mar 12, 2019 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4489885](https://patchblox.com/security/data/fix/microsoft/kb4489885.md) | Mar 12, 2019 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4489876](https://patchblox.com/security/data/fix/microsoft/kb4489876.md) | Mar 12, 2019 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4489880](https://patchblox.com/security/data/fix/microsoft/kb4489880.md) | Mar 12, 2019 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4489876](https://patchblox.com/security/data/fix/microsoft/kb4489876.md) | Mar 12, 2019 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4489880](https://patchblox.com/security/data/fix/microsoft/kb4489880.md) | Mar 12, 2019 | | Microsoft | Windows Server 2012 | | [KB4489884](https://patchblox.com/security/data/fix/microsoft/kb4489884.md) | Mar 12, 2019 | | Microsoft | Windows Server 2012 | | [KB4489891](https://patchblox.com/security/data/fix/microsoft/kb4489891.md) | Mar 12, 2019 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4489884](https://patchblox.com/security/data/fix/microsoft/kb4489884.md) | Mar 12, 2019 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4489891](https://patchblox.com/security/data/fix/microsoft/kb4489891.md) | Mar 12, 2019 | | Microsoft | Windows Server 2012 R2 | | [KB4489883](https://patchblox.com/security/data/fix/microsoft/kb4489883.md) | Mar 12, 2019 | | Microsoft | Windows Server 2012 R2 | | [KB4489881](https://patchblox.com/security/data/fix/microsoft/kb4489881.md) | Mar 12, 2019 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4489883](https://patchblox.com/security/data/fix/microsoft/kb4489883.md) | Mar 12, 2019 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4489881](https://patchblox.com/security/data/fix/microsoft/kb4489881.md) | Mar 12, 2019 | | Microsoft | Windows Server 2016 | 14393.2848 | [KB4489882](https://patchblox.com/security/data/fix/microsoft/kb4489882.md) | Mar 12, 2019 | | Microsoft | Windows Server 2016 (Server Core installation) | 14393.2848 | [KB4489882](https://patchblox.com/security/data/fix/microsoft/kb4489882.md) | Mar 12, 2019 | | Microsoft | Windows Server 2019 | 17763.379 | [KB4489899](https://patchblox.com/security/data/fix/microsoft/kb4489899.md) | Mar 12, 2019 | | Microsoft | Windows Server 2019 (Server Core installation) | 17763.379 | [KB4489899](https://patchblox.com/security/data/fix/microsoft/kb4489899.md) | Mar 12, 2019 | | Microsoft | Windows Server, version 1709 (Server Core Installation) | 16299.1029 | [KB4489886](https://patchblox.com/security/data/fix/microsoft/kb4489886.md) | Mar 12, 2019 | | Microsoft | Windows Server, version 1803 (Server Core Installation) | 17134.648 | [KB4489868](https://patchblox.com/security/data/fix/microsoft/kb4489868.md) | Mar 12, 2019 | --- Data as of 2026-11-07T18:46:35Z UTC. 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