# CVE-2020-1295: Microsoft SharePoint Elevation of Privilege Vulnerability

CVE-2020-1295 is fixed in 3 products on 1 platform, first by KB4484405, released June 9, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-1295
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.0296
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jun 9, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1295

## Description

<p>An elevation of privilege vulnerability exists in Microsoft SharePoint. An attacker who successfully exploited this vulnerability could attempt to impersonate another user of the SharePoint server.</p> <p>To exploit this vulnerability, an authenticated attacker would send a specially crafted request to an affected server, thereby allowing the impersonation of another SharePoint user.</p> <p>The security update addresses the vulnerability by correcting how Microsoft SharePoint sanitizes user input.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2013 Service Pack 1 |  | [KB4484405](https://patchblox.com/security/data/fix/microsoft/kb4484405.md) | Jun 9, 2020 |
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |  | [KB4484402](https://patchblox.com/security/data/fix/microsoft/kb4484402.md) | Jun 9, 2020 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB4484400](https://patchblox.com/security/data/fix/microsoft/kb4484400.md) | Jun 9, 2020 |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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