# KB4461580: December 2018 security update

KB4461580, released December 11, 2018, fixes 1 CVE in Microsoft SharePoint Foundation 2010 Service Pack 2. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4461580
- Platform: Microsoft
- Released: Dec 11, 2018
- Priority: High (Closes CVE-2018-8580, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4461580

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft SharePoint Foundation 2010 Service Pack 2](https://patchblox.com/security/data/product/microsoft/microsoft-sharepoint-foundation-2010-service-pack-2.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-8580](https://patchblox.com/security/data/cve/CVE-2018-8580.md) | High | Microsoft Office SharePoint | n/a | 0.0443 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo