CVE-2019-1443: Microsoft SharePoint Enterprise Server

Medium severity, CVSS 6.5. EPSS: 5.7% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists in Microsoft SharePoint when an attacker uploads a specially crafted file to the SharePoint Server.An authenticated attacker who successfully exploited this vulnerability could potentially leverage SharePoint functionality to obtain SMB hashes.The security update addresses the vulnerability by correcting how SharePoint checks file content., aka 'Microsoft SharePoint Information Disclosure Vulnerability'.

Affected products

• Microsoft SharePoint Enterprise Server: version 2016 only
• Microsoft SharePoint Foundation: version 2010 only; version 2013 only
• Microsoft SharePoint Server: version 2019 only

Published 2019-11-12. Last modified 2026-06-17.