CVE-2019-1255: Microsoft Forefront Endpoint Protection 2010

High severity, CVSS 7.5. EPSS: 4.1% chance of exploitation in the next 30 days.

A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'.

Affected products

• Microsoft Forefront Endpoint Protection 2010: affected versions not specified
• Microsoft Security Essentials: affected versions not specified
• Microsoft System Center Endpoint Protection: any version; version 2012 only
• Microsoft Windows Defender: affected versions not specified

Published 2019-09-23. Last modified 2026-06-17.