CVE-2026-12569: PTC Windchill and FlexPLM
EPSS46.0%No. 897 of 1739 in KEV
CVE year2026listed the same year
Same vendor in KEV1
Same product1
| Field | Value |
|---|---|
| Vendor | PTC |
| Product | Windchill and FlexPLM |
| Name | PTC Windchill and FlexPLM Improper Input Validation Vulnerability |
| Added to KEV | 2026-06-25 |
| US federal due date | 2026-06-28 |
| Ransomware use | Known |
| CWE | CWE-20, CWE-502 |
CISA description
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.
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A PTC Windchill and FlexPLM vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-06-25.