# KB5031500: October 2023 security update

KB5031500, released October 10, 2023, fixes 1 CVE in Microsoft Dynamics 365 (on-premises) version 9.1. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb5031500
- Platform: Microsoft
- Released: Oct 10, 2023
- Priority: Routine (Closes CVE-2023-36429)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5031500

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Dynamics 365 (on-premises) version 9.1](https://patchblox.com/security/data/product/microsoft/microsoft-dynamics-365-on-premises-version-9.1.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-36429](https://patchblox.com/security/data/cve/CVE-2023-36429.md) | Routine | Microsoft Dynamics | 6.5 | 0.0216 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo