BaseFortify

Publication date: 2025-11-20

Last updated on: 2025-11-21

Assigner: Microsoft Corporation

Description

Microsoft SharePoint Online Elevation of Privilege Vulnerability

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-11-20

Last Modified

2025-11-21

Generated

2026-07-06

AI Q&A

2025-11-21

EPSS Evaluated

2026-07-05

NVD

CVE-2025-59245

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	sharepoint_online	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-502	The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

Executive Summary

This vulnerability is an Elevation of Privilege issue in Microsoft SharePoint Online, meaning an attacker could exploit it to gain higher privileges than intended within the system.

Impact Analysis

The vulnerability can have a severe impact, allowing attackers to gain full control over affected SharePoint Online environments, potentially leading to complete compromise of confidentiality, integrity, and availability of data.

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