# KB5002342: February 2023 security update

KB5002342, released February 17, 2023, fixes 2 CVEs in Microsoft SharePoint Server 2019. 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/kb5002342
- Platform: Microsoft
- Released: Feb 17, 2023
- Priority: Urgent (Closes CVE-2023-21716, rated Critical)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5002342

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft SharePoint Server 2019](https://patchblox.com/security/data/product/microsoft/microsoft-sharepoint-server-2019.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-21716](https://patchblox.com/security/data/cve/CVE-2023-21716.md) | Urgent | Microsoft Office Word | 9.8 | 0.8480 |  |
| [CVE-2023-21717](https://patchblox.com/security/data/cve/CVE-2023-21717.md) | High | Microsoft Office SharePoint | 8.8 | 0.0110 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo