---
id: CVE-2026-32201
title: Microsoft SharePoint Server Spoofing Vulnerability
summary: >-
  Improper input validation in Microsoft Office SharePoint allows an
  unauthorized attacker to perform spoofing over a network.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-20
vendor: Microsoft
product: Microsoft SharePoint Enterprise Server 2016
affected:
  - sharepoint_enterprise_server_2016 >= 16.0.0 < 16.0.5548.1003
  - sharepoint_server_2019 >= 16.0.0 < 16.0.10417.20114
  - sharepoint_server_subscription_edition >= 16.0.0 < 16.0.19725.20210
ssvc:
  exploitation: active
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-04-09T00:00:00+00:00'
exploited: true
exploitAvailable: true
published: '2026-04-14'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T17:26:11.271Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-32201'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32201'
    label: Microsoft SharePoint Server Spoofing Vulnerability
tags:
  - cve.org
  - in-the-wild
  - exploit-available
  - kev
epss: 0.00983
epssPercentile: 0.60726
kev: true
kevDateAdded: '2026-04-14'
kevDueDate: '2026-04-28'
kevRansomware: false
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/B1tBit/CVE-2026-32201-exploit'
  checkedAt: '2026-09-26T09:05:41.997Z'
zeroDay: true
ingestedAt: '2026-09-25T18:14:20.416Z'
---

## Overview

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

## Affected

- `sharepoint_enterprise_server_2016 >= 16.0.0 < 16.0.5548.1003`
- `sharepoint_server_2019 >= 16.0.0 < 16.0.10417.20114`
- `sharepoint_server_subscription_edition >= 16.0.0 < 16.0.19725.20210`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.