Actively exploited · Published Jun 18, 2026 · Assigned by PTC

CVE-2026-12569Remote Code Execution (RCE) vulnerability in Windchill PDMlink

Critical 9.3 Exploited Ransomware

In plain English

A critical-severity improper input validation in FlexPLM from PTC. Attackers are actively exploiting it in the wild (listed by CISA on June 25, 2026). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 46.0% (higher than 99% of all known vulnerabilities). 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.

Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)46.0%top 1.2% of all CVEs
Exploited in the wildYesCISA KEV since Jun 25, 2026
Attack toolingNoneno public tooling known

CISA guidance

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.

Federal agencies must remediate by Jun 28, 2026.

Official description

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

Affected products (as reported)

VendorProductVersions
PTC Windchill PDMLink 0 – through 11.0 M03011.1 M02011.2.1.012.0.2.012.1.2.013.0.2.013.1.0.013.1.1.0
PTC FlexPLM 0 – through 11.0 M03011.1 M02011.2.1.012.0.0.012.0.2.012.1.2.012.1.3.013.0.2.0

Weakness: CWE-20, CWE-502 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:U/V:C/U:Red

References