---
id: CVE-2026-69273
title: >-
  Improper access control in Microsoft Office SharePoint allows an authorized
  attacker to execute code over a network.
summary: >-
  Improper access control in Microsoft Office SharePoint allows an authorized
  attacker to execute code over a network.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-284
vendor: microsoft
product: sharepoint_server
affected:
  - sharepoint_server < 16.0.20326.20082
patched:
  - sharepoint_server 16.0.20326.20082
published: '2026-09-08'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T17:24:59.533'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69273'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69273'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-09T04:22:20.690591Z'
epss: 0.00527
epssPercentile: 0.43608
ingestedAt: '2026-09-08T19:08:49.607Z'
---

## Overview

Improper access control in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

## Affected

- `sharepoint_server < 16.0.20326.20082`

## Remediation

Upgrade past the affected range:

- `sharepoint_server 16.0.20326.20082`