CVE-2019-1202: Microsoft SharePoint Enterprise Server

Medium severity, CVSS 4.4. EPSS: 1.6% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists in the way Microsoft SharePoint handles session objects. An authenticated attacker who successfully exploited the vulnerability could hijack the session of another user. To exploit this vulnerability, the attacker could run a specially crafted application. The security update corrects how SharePoint handles session objects to prevent user session hijacking.

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 2019-08-14. Last modified 2026-06-17.