# CVE-2019-0725: Windows DHCP Server Remote Code Execution Vulnerability

CVE-2019-0725 is fixed in 13 products on 1 platform, first by KB4494440, released May 14, 2019. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2019-0725
- Priority: Urgent
- CVSS: 8.1 (Critical)
- EPSS: 0.2823
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: May 14, 2019
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0725

## Description

<p>A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server.</p> <p>To exploit the vulnerability, a remote unauthenticated attacker could send a specially crafted packet to an affected DHCP server.</p> <p>The security update addresses the vulnerability by correcting how DHCP servers handle network packets.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4499175](https://patchblox.com/security/data/fix/microsoft/kb4499175.md) | May 14, 2019 |
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4499164](https://patchblox.com/security/data/fix/microsoft/kb4499164.md) | May 14, 2019 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4499175](https://patchblox.com/security/data/fix/microsoft/kb4499175.md) | May 14, 2019 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4499164](https://patchblox.com/security/data/fix/microsoft/kb4499164.md) | May 14, 2019 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4499175](https://patchblox.com/security/data/fix/microsoft/kb4499175.md) | May 14, 2019 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4499164](https://patchblox.com/security/data/fix/microsoft/kb4499164.md) | May 14, 2019 |
| Microsoft | Windows Server 2012 |  | [KB4499158](https://patchblox.com/security/data/fix/microsoft/kb4499158.md) | May 14, 2019 |
| Microsoft | Windows Server 2012 |  | [KB4499171](https://patchblox.com/security/data/fix/microsoft/kb4499171.md) | May 14, 2019 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4499158](https://patchblox.com/security/data/fix/microsoft/kb4499158.md) | May 14, 2019 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4499171](https://patchblox.com/security/data/fix/microsoft/kb4499171.md) | May 14, 2019 |
| Microsoft | Windows Server 2012 R2 |  | [KB4499151](https://patchblox.com/security/data/fix/microsoft/kb4499151.md) | May 14, 2019 |
| Microsoft | Windows Server 2012 R2 |  | [KB4499165](https://patchblox.com/security/data/fix/microsoft/kb4499165.md) | May 14, 2019 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4499151](https://patchblox.com/security/data/fix/microsoft/kb4499151.md) | May 14, 2019 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4499165](https://patchblox.com/security/data/fix/microsoft/kb4499165.md) | May 14, 2019 |
| Microsoft | Windows Server 2016 | 14393.2969 | [KB4494440](https://patchblox.com/security/data/fix/microsoft/kb4494440.md) | May 14, 2019 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.2969 | [KB4494440](https://patchblox.com/security/data/fix/microsoft/kb4494440.md) | May 14, 2019 |
| Microsoft | Windows Server 2019 | 17763.503 | [KB4494441](https://patchblox.com/security/data/fix/microsoft/kb4494441.md) | May 14, 2019 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.503 | [KB4494441](https://patchblox.com/security/data/fix/microsoft/kb4494441.md) | May 14, 2019 |
| Microsoft | Windows Server, version 1803  (Server Core Installation) | 17134.765 | [KB4499167](https://patchblox.com/security/data/fix/microsoft/kb4499167.md) | May 14, 2019 |
| Microsoft | Windows Server, version 1903 (Server Core installation) |  | [KB4497936](https://patchblox.com/security/data/fix/microsoft/kb4497936.md) | May 14, 2019 |

---

Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
