CVE-2020-27636: Microchip Mplab Network Creator

Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days.

In Microchip MPLAB Net 3.6.1, TCP ISNs are improperly random.

Affected products

• Microchip Mplab Network Creator: version 3.6.1 only

Published 2023-10-10. Last modified 2026-06-17.