# CVE-2019-0736: Windows DHCP Client Remote Code Execution Vulnerability

CVE-2019-0736 is fixed in 32 products on 1 platform, first by KB4512517, released August 13, 2019. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2019-0736
- Priority: Urgent
- CVSS: 9.8 (Critical)
- EPSS: 0.0397
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Aug 13, 2019
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0736

## Description

<p>A memory corruption vulnerability exists in the Windows DHCP client when an attacker sends specially crafted DHCP responses to a client. An attacker who successfully exploited the vulnerability could run arbitrary code on the client machine.</p> <p>To exploit the vulnerability, an attacker could send specially crafted DHCP responses to a client.</p> <p>The security update addresses the vulnerability by correcting how Windows DHCP clients handle certain DHCP responses.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.3144 | [KB4512517](https://patchblox.com/security/data/fix/microsoft/kb4512517.md) | Aug 13, 2019 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.3144 | [KB4512517](https://patchblox.com/security/data/fix/microsoft/kb4512517.md) | Aug 13, 2019 |
| Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.1988 | [KB4512507](https://patchblox.com/security/data/fix/microsoft/kb4512507.md) | Aug 13, 2019 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.1988 | [KB4512507](https://patchblox.com/security/data/fix/microsoft/kb4512507.md) | Aug 13, 2019 |
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.1331 | [KB4512516](https://patchblox.com/security/data/fix/microsoft/kb4512516.md) | Aug 13, 2019 |
| Microsoft | Windows 10 Version 1709 for ARM64-based Systems | 16299.1331 | [KB4512516](https://patchblox.com/security/data/fix/microsoft/kb4512516.md) | Aug 13, 2019 |
| Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.1331 | [KB4512516](https://patchblox.com/security/data/fix/microsoft/kb4512516.md) | Aug 13, 2019 |
| Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.950 | [KB4512501](https://patchblox.com/security/data/fix/microsoft/kb4512501.md) | Aug 13, 2019 |
| Microsoft | Windows 10 Version 1803 for ARM64-based Systems | 17134.950 | [KB4512501](https://patchblox.com/security/data/fix/microsoft/kb4512501.md) | Aug 13, 2019 |
| Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.950 | [KB4512501](https://patchblox.com/security/data/fix/microsoft/kb4512501.md) | Aug 13, 2019 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.18305 | [KB4512497](https://patchblox.com/security/data/fix/microsoft/kb4512497.md) | Aug 13, 2019 |
| Microsoft | Windows 10 for x64-based Systems | 10240.18305 | [KB4512497](https://patchblox.com/security/data/fix/microsoft/kb4512497.md) | Aug 13, 2019 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4512506](https://patchblox.com/security/data/fix/microsoft/kb4512506.md) | Aug 13, 2019 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4512486](https://patchblox.com/security/data/fix/microsoft/kb4512486.md) | Aug 13, 2019 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4512506](https://patchblox.com/security/data/fix/microsoft/kb4512506.md) | Aug 13, 2019 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4512486](https://patchblox.com/security/data/fix/microsoft/kb4512486.md) | Aug 13, 2019 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4512488](https://patchblox.com/security/data/fix/microsoft/kb4512488.md) | Aug 13, 2019 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4512489](https://patchblox.com/security/data/fix/microsoft/kb4512489.md) | Aug 13, 2019 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4512488](https://patchblox.com/security/data/fix/microsoft/kb4512488.md) | Aug 13, 2019 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4512489](https://patchblox.com/security/data/fix/microsoft/kb4512489.md) | Aug 13, 2019 |
| Microsoft | Windows RT 8.1 |  | [KB4512488](https://patchblox.com/security/data/fix/microsoft/kb4512488.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4512506](https://patchblox.com/security/data/fix/microsoft/kb4512506.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4512486](https://patchblox.com/security/data/fix/microsoft/kb4512486.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4512506](https://patchblox.com/security/data/fix/microsoft/kb4512506.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4512486](https://patchblox.com/security/data/fix/microsoft/kb4512486.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4512506](https://patchblox.com/security/data/fix/microsoft/kb4512506.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4512486](https://patchblox.com/security/data/fix/microsoft/kb4512486.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB4512491](https://patchblox.com/security/data/fix/microsoft/kb4512491.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB4512476](https://patchblox.com/security/data/fix/microsoft/kb4512476.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB4512491](https://patchblox.com/security/data/fix/microsoft/kb4512491.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB4512476](https://patchblox.com/security/data/fix/microsoft/kb4512476.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 |  | [KB4512491](https://patchblox.com/security/data/fix/microsoft/kb4512491.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 |  | [KB4512476](https://patchblox.com/security/data/fix/microsoft/kb4512476.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB4512491](https://patchblox.com/security/data/fix/microsoft/kb4512491.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB4512476](https://patchblox.com/security/data/fix/microsoft/kb4512476.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB4512491](https://patchblox.com/security/data/fix/microsoft/kb4512491.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB4512476](https://patchblox.com/security/data/fix/microsoft/kb4512476.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2012 |  | [KB4512482](https://patchblox.com/security/data/fix/microsoft/kb4512482.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2012 |  | [KB4512518](https://patchblox.com/security/data/fix/microsoft/kb4512518.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4512482](https://patchblox.com/security/data/fix/microsoft/kb4512482.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4512518](https://patchblox.com/security/data/fix/microsoft/kb4512518.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2012 R2 |  | [KB4512488](https://patchblox.com/security/data/fix/microsoft/kb4512488.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2012 R2 |  | [KB4512489](https://patchblox.com/security/data/fix/microsoft/kb4512489.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4512488](https://patchblox.com/security/data/fix/microsoft/kb4512488.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4512489](https://patchblox.com/security/data/fix/microsoft/kb4512489.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2016 | 14393.3144 | [KB4512517](https://patchblox.com/security/data/fix/microsoft/kb4512517.md) | Aug 13, 2019 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.3144 | [KB4512517](https://patchblox.com/security/data/fix/microsoft/kb4512517.md) | Aug 13, 2019 |
| Microsoft | Windows Server, version 1803  (Server Core Installation) | 17134.950 | [KB4512501](https://patchblox.com/security/data/fix/microsoft/kb4512501.md) | Aug 13, 2019 |

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