CVE-2019-1259: Microsoft SharePoint Foundation

High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days.

A spoofing vulnerability exists in Microsoft SharePoint when it improperly handles requests to authorize applications, resulting in cross-site request forgery (CSRF).To exploit this vulnerability, an attacker would need to create a page specifically designed to cause a cross-site request, aka 'Microsoft SharePoint Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-1261.

Affected products

• Microsoft SharePoint Foundation: version 2013 only

Published 2019-09-11. Last modified 2026-06-17.