CVE-2019-17390: Pronestor Planner

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered in the Outlook add-in in Pronestor Planner before 8.1.77. There is local privilege escalation in the Health Monitor service because PronestorHealthMonitor.exe access control is mishandled, aka PNB-2359.

Affected products

• Pronestor Planner: before 8.1.77 (fixed in 8.1.77)

Published 2019-12-18. Last modified 2026-06-17.