# KB4602915: February 2021 security update

KB4602915, released February 9, 2021, fixes 1 CVE across 7 products. 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/kb4602915
- Platform: Microsoft
- Released: Feb 9, 2021
- Priority: Routine (Closes CVE-2021-1724)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4602915

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Dynamics 365 Business Central 2019 Release Wave 2 (On-Premise)](https://patchblox.com/security/data/product/microsoft/dynamics-365-business-central-2019-release-wave-2-on-premise.md) |  |  |
| [Microsoft Dynamics 365 Business Central 2020 Release Wave 1](https://patchblox.com/security/data/product/microsoft/microsoft-dynamics-365-business-central-2020-release-wave-1.md) |  |  |
| [Microsoft Dynamics 365 Business Central 2020 Release Wave 2](https://patchblox.com/security/data/product/microsoft/microsoft-dynamics-365-business-central-2020-release-wave-2.md) |  |  |
| [Microsoft Dynamics NAV 2015](https://patchblox.com/security/data/product/microsoft/microsoft-dynamics-nav-2015.md) |  |  |
| [Microsoft Dynamics NAV 2016](https://patchblox.com/security/data/product/microsoft/microsoft-dynamics-nav-2016.md) |  |  |
| [Microsoft Dynamics NAV 2017](https://patchblox.com/security/data/product/microsoft/microsoft-dynamics-nav-2017.md) |  |  |
| [Microsoft Dynamics NAV 2018](https://patchblox.com/security/data/product/microsoft/microsoft-dynamics-nav-2018.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-1724](https://patchblox.com/security/data/cve/CVE-2021-1724.md) | Routine | Microsoft Dynamics | 6.1 | 0.0131 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo