CVE-2026-102862

Analyzed Analyzed - Analysis Complete

Incorrect Authorization in Microsoft Office SharePoint

Publication date: 2026-10-13

Last updated on: 2026-10-14

Assigner: Microsoft Corporation

Description

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-14

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-102862

EUVD

EUVD-2026-99045

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	sharepoint_server	to 16.0.20326.20190 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability is an incorrect authorization issue in Microsoft Office SharePoint. An authorized attacker can exploit it over a network to elevate their privileges, gaining higher access than intended.

Impact Analysis

An attacker could gain unauthorized access to sensitive data, modify or delete files, or perform actions with elevated permissions. This could lead to data breaches or system compromise if exploited.

Compliance Impact

This vulnerability could lead to unauthorized access or disclosure of personal or sensitive data, violating GDPR or HIPAA requirements. Organizations may face legal penalties or compliance failures if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft for SharePoint Server to address the incorrect authorization issue. Monitor Microsoft's official security advisories for patches and follow their recommended mitigation steps.

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