CVE-2026-69273

Analyzed Analyzed - Analysis Complete

Improper Access Control in Microsoft Office SharePoint

Publication date: 2026-09-08

Last updated on: 2026-09-09

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-09

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-69273

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	sharepoint_server	to 16.0.20326.20082 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper access control issue in Microsoft Office SharePoint. It allows an authorized attacker to execute code remotely over a network without proper restrictions.

Impact Analysis

An attacker could exploit this to run malicious code on your SharePoint server, potentially stealing data, installing malware, or disrupting services. Since it requires authorized access, attackers may first compromise a user account.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR (data protection) and HIPAA (health data privacy). Organizations may face fines or legal penalties if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft for SharePoint as soon as possible to address the improper access control vulnerability.

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