CVE-2026-105719

Analyzed Analyzed - Analysis Complete

Improper Input Validation in Microsoft Office SharePoint

Publication date: 2026-10-13

Last updated on: 2026-10-14

Assigner: Microsoft Corporation

Description

Improper input validation in Microsoft Office SharePoint allows an authorized attacker to disclose information 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-2026-105719

EUVD

EUVD-2026-99073

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-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper input validation flaw in Microsoft Office SharePoint. It allows an authorized attacker to disclose sensitive information over a network without needing additional privileges beyond basic access.

Impact Analysis

An attacker could exploit this to access confidential data stored in SharePoint, potentially leading to data breaches, loss of intellectual property, or unauthorized exposure of sensitive information.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other regulations by enabling unauthorized data disclosure. Organizations may face legal penalties, fines, or reputational damage if sensitive data is exposed.

Mitigation Strategies

Apply the latest security updates from Microsoft for SharePoint Server to address the improper input validation flaw. Monitor Microsoft's security advisories for patches and implement network segmentation to limit exposure.

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