# CVE-2020-1460: Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2020-1460 is fixed in 5 products on 1 platform, first by KB4484515, released September 8, 2020. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2020-1460
- Priority: Urgent
- CVSS: 8.6 (Critical)
- EPSS: 0.0370
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Sep 8, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1460

## Description

<p>A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a specially crafted page to perform actions in the security context of the SharePoint application pool process.</p> <p>To exploit the vulnerability, an authenticated user must create and invoke a specially crafted page on an affected version of Microsoft SharePoint Server.</p> <p>The security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles processing of created content.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2013 Service Pack 1 |  | [KB4484515](https://patchblox.com/security/data/fix/microsoft/kb4484515.md) | Sep 8, 2020 |
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |  | [KB4484506](https://patchblox.com/security/data/fix/microsoft/kb4484506.md) | Sep 8, 2020 |
| Microsoft | Microsoft SharePoint Foundation 2010 Service Pack 2 |  | [KB4486667](https://patchblox.com/security/data/fix/microsoft/kb4486667.md) | Sep 8, 2020 |
| Microsoft | Microsoft SharePoint Foundation 2013 Service Pack 1 |  | [KB4484488](https://patchblox.com/security/data/fix/microsoft/kb4484488.md) | Sep 8, 2020 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB4484505](https://patchblox.com/security/data/fix/microsoft/kb4484505.md) | Sep 8, 2020 |

---

Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.