# CVE-2020-17118: Microsoft SharePoint Remote Code Execution Vulnerability

CVE-2020-17118 is fixed in 4 products on 1 platform, first by KB4486753, released December 8, 2020. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2020-17118
- Priority: Urgent
- CVSS: 8.1 (Critical)
- EPSS: 0.0379
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Dec 8, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17118

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |  | [KB4486753](https://patchblox.com/security/data/fix/microsoft/kb4486753.md) | Dec 8, 2020 |
| Microsoft | Microsoft SharePoint Foundation 2010 Service Pack 2 |  | [KB4493149](https://patchblox.com/security/data/fix/microsoft/kb4493149.md) | Dec 8, 2020 |
| Microsoft | Microsoft SharePoint Foundation 2013 Service Pack 1 |  | [KB4493138](https://patchblox.com/security/data/fix/microsoft/kb4493138.md) | Dec 8, 2020 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB4486751](https://patchblox.com/security/data/fix/microsoft/kb4486751.md) | Dec 8, 2020 |

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Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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