# KB5001975: July 2021 security update

KB5001975, released July 13, 2021, fixes 4 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/kb5001975
- Platform: Microsoft
- Released: Jul 13, 2021
- Priority: Urgent (Closes CVE-2021-34467, exploitation more likely)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5001975

## 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-2021-34467](https://patchblox.com/security/data/cve/CVE-2021-34467.md) | Urgent | Microsoft Office SharePoint | 7.1 | 0.0659 | More likely |
| [CVE-2021-34520](https://patchblox.com/security/data/cve/CVE-2021-34520.md) | Urgent | Microsoft Office SharePoint | 8.1 | 0.0443 | More likely |
| [CVE-2021-34468](https://patchblox.com/security/data/cve/CVE-2021-34468.md) | Urgent | Microsoft Office SharePoint | 7.1 | 0.0215 | More likely |
| [CVE-2021-34517](https://patchblox.com/security/data/cve/CVE-2021-34517.md) | Routine | Microsoft Office SharePoint | 5.3 | 0.0197 |  |

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Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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