CVE-2026-77644

Critical

Description

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

SeverityCritical
CVSS9.3
Exploit probability—
ProductWindchill Risk and Reliability Enterprise Edition (Formerly Relex)
PublishedAug 20, 2026
First seenAug 20, 2026

How to fix

Affected products

ProductAffected versionsFixed in
PTC Windchill Risk and Reliability Enterprise Edition (Formerly Relex)11.1 ≤ v ≤ 13.1—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.