CVE-2026-12569
A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. * This advisory also applies to all CPS versions * The identified vulnerability also impacts Windchill and FlexPLM releases prior to 11.0 M030
Actively exploited
- In the CISA exploited-vulnerabilities catalogue since Jun 25, 2026
- US federal agencies must remediate it by Jun 28, 2026 (BOD 22-01)
- First attack observed 7 days after disclosure
- Used in ransomware campaigns
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.
Source: CISA KEV · Sep 8, 2026 Sep 8, 2026 Sep 1, 2026 Aug 24, 2026 Aug 18, 2026 Aug 10, 2026
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
| Vendors | Product | Versions |
|---|---|---|
| ptc | flexplm | <= 11.0m030 |
| ptc | windchill pdmlink | < 11.0m030 |
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This product uses the NVD API but is not endorsed or certified by the NVD.