CVE-2026-77644: PTC Windchill Risk And Reliability Enterprise Edition Formerly Relex

Critical severity, CVSS 9.3. EPSS: 0.4% chance of exploitation in the next 30 days.

A critical bypass access control vulnerability has been reported in PTC Windchill Risk and Reliability (WRR) Enterprise Edition.

Affected products

• PTC Windchill Risk And Reliability Enterprise Edition Formerly Relex: from 11.1, up to and including 13.1

Published 2026-08-20. Last modified 2026-09-09.