# CVE-2018-8609: Microsoft Dynamics 365 (on-premises) Remote Code Execution Vulnerability

CVE-2018-8609 is fixed in Microsoft Dynamics 365 (on-premises) version 8 on 1 platform by KB4467675 (version ), released November 13, 2018. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2018-8609
- Priority: Urgent
- CVSS: n/a (Critical)
- EPSS: 0.0990
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 13, 2018
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8609

## Description

<p>A remote code execution vulnerability exists in Microsoft Dynamics 365 (on-premises) when the server fails to properly sanitize web requests to an affected Dynamics server. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SQL service account. An authenticated attacker could exploit this vulnerability by sending a specially crafted request to a vulnerable Dynamics server. The security update addresses the vulnerability by correcting how  Microsoft Dynamics 365 (on-premises) validates and sanitizes user input.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Dynamics 365 (on-premises) version 8 |  | [KB4467675](https://patchblox.com/security/data/fix/microsoft/kb4467675.md) | Nov 13, 2018 |

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