PTC Patches Critical Windchill and FlexPLM Flaw That Could Enable Remote Code Execution
PTC has released patches for a new critical vulnerability impacting Windchill and FlexPLM software that, if successfully exploited, could result in remote code execution. The security flaw, tracked as CVE-2026-126325, carries a CVSS v4 score of 9.2 out of a maximum of 10.0. It has been described as a case of improper input validation and deserialization of untrusted data that could result in
Summary from The Hacker News.
Explained
The technology and terms in this story. Learn more
- AttackRemote code execution · RCEA flaw that lets an attacker run their own code on someone else's machine over the network.
- ConceptCVSS · Common Vulnerability Scoring SystemA 0–10 score for how severe a vulnerability is in theory.
- WeaknessInsecure deserializationTurning untrusted data back into program objects in a way that lets it run code.
- ConceptExploitCode or a technique that turns a software flaw into something an attacker can actually use.
Why it was possible
The weaknesses behind this story's CVEs, from each CVE Record.
Vulnerabilities in this story
Severity and exploitation facts from NVD, FIRST, and CISA.