# KB4574742: September 2020 security update

KB4574742, released September 8, 2020, fixes 9 CVEs in Microsoft Dynamics 365 (on-premises) version 9.0. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4574742
- Platform: Microsoft
- Released: Sep 8, 2020
- Priority: Urgent (Closes CVE-2020-16862, rated Critical)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4574742

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Dynamics 365 (on-premises) version 9.0](https://patchblox.com/security/data/product/microsoft/microsoft-dynamics-365-on-premises-version-9.0.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-16862](https://patchblox.com/security/data/cve/CVE-2020-16862.md) | Urgent | Microsoft Dynamics | 7.1 | 0.0339 |  |
| [CVE-2020-16872](https://patchblox.com/security/data/cve/CVE-2020-16872.md) | High | Microsoft Dynamics | 7.6 | 0.0181 |  |
| [CVE-2020-16860](https://patchblox.com/security/data/cve/CVE-2020-16860.md) | Routine | Microsoft Dynamics | 6.8 | 0.0274 |  |
| [CVE-2020-16858](https://patchblox.com/security/data/cve/CVE-2020-16858.md) | Routine | Microsoft Dynamics | 5.4 | 0.0163 |  |
| [CVE-2020-16859](https://patchblox.com/security/data/cve/CVE-2020-16859.md) | Routine | Microsoft Dynamics | 5.4 | 0.0163 |  |
| [CVE-2020-16871](https://patchblox.com/security/data/cve/CVE-2020-16871.md) | Routine | Microsoft Dynamics | 5.4 | 0.0163 |  |
| [CVE-2020-16878](https://patchblox.com/security/data/cve/CVE-2020-16878.md) | Routine | Microsoft Dynamics | 5.4 | 0.0163 |  |
| [CVE-2020-16861](https://patchblox.com/security/data/cve/CVE-2020-16861.md) | Routine | Microsoft Dynamics | 5.4 | 0.0159 |  |
| [CVE-2020-16864](https://patchblox.com/security/data/cve/CVE-2020-16864.md) | Routine | Microsoft Dynamics | 5.4 | 0.0159 |  |

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