CVE-2026-108452

Received Received - Intake

Path Traversal in Microsoft Office SharePoint

Publication date: 2026-10-15

Last updated on: 2026-10-15

Assigner: Microsoft Corporation

Description

Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-15

Last Modified

2026-10-15

Generated

2026-10-16

AI Q&A

2026-10-16

EPSS Evaluated

N/A

NVD

CVE-2026-108452

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Microsoft	SharePoint Server Subscription Edition 16.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-22	The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

Executive Summary

This is a path traversal vulnerability in Microsoft Office SharePoint. It allows an authorized attacker to bypass directory restrictions and execute arbitrary code remotely over a network.

Impact Analysis

An attacker could exploit this to run malicious code on your SharePoint server, potentially stealing data, installing malware, or disrupting services. It requires attacker to have valid credentials but no further privileges.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR's data protection requirements and HIPAA's security rules for protected health information.

Mitigation Strategies

Apply the latest security updates from Microsoft for SharePoint Server to patch the path traversal vulnerability. Restrict network access to SharePoint servers and monitor for unusual activity or unauthorized code execution attempts.

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