---
id: CVE-2026-70259
title: >-
  Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an
  authorized attacker to disclose information over a network.
summary: >-
  Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an
  authorized attacker to disclose information over a network.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-918
vendor: microsoft
product: sharepoint_server
affected:
  - sharepoint_server < 16.0.20326.20190
patched:
  - sharepoint_server 16.0.20326.20190
published: '2026-10-13'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T19:58:26.207'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-70259'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70259'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00915
epssPercentile: 0.59954
ingestedAt: '2026-10-13T19:43:29.040Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-13T20:48:24.793331Z'
---

## Overview

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

## Affected

- `sharepoint_server < 16.0.20326.20190`

## Remediation

Upgrade past the affected range:

- `sharepoint_server 16.0.20326.20190`