CVSS v3.1 Metrics
EPSS Prediction
Documented as more likely to be exploited than 56.1% of known CVEs.
Jun 25, 2026
Jun 28, 2026
Threat Analysis
PTC Windchill and FlexPLM contains an improper input validation vulnerability allowing an unauthenticated, remote attacker to execute arbitrary code by sending a malicious request to the network.
Remediation Directive
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
External Intelligence
https://www.ptc.com/en/support/article/CS473270
https://www.ptc.com/en/support/article/CS473270
CISA Advisory
https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
CISA Advisory
https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
National Vulnerability Database
https://nvd.nist.gov/vuln/detail/CVE-2026-12569