A maliciously crafted IFC file, when parsed through certain Autodesk products, can trigger an Uncontrolled Recursion vulnerability. A malicious actor may leverage this vulnerability to cause the application to terminate unexpectedly, resulting in a denial-of-service. Exploitation requires a user to open a specially crafted IFC file.
https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0015