SECURELYN

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

Scores

9.3
CVSS 9.3 out of 10, critical severity.
46%
EPSS 46% chance of exploitation in the next 30 days.

The facts

Published
18 June 2026
Last changed
1 August 2026
NVD status
Analyzed
Severity
Critical, CVSS 9.3 out of 10 (version 4.0)
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R…
Weakness
Affects
  • ptc flexplm
  • ptc windchill pdmlink
Known exploited
Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 25 June 2026. CISA lists it as used in ransomware campaigns.
EPSS
46.0% chance of exploitation activity in the next 30 days (percentile 99).

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References