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CVE-2026-126325 Critical Remote Code Execution (RCE) vulnerability reported in Windchill

9.2 criticalEPSS 0.5%

Critical (9.2) in ptc. EPSS 0.5% estimated probability of exploitation activity in the next 30 days.

On this page
A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.

Severity

CVSS 4.0

9.2 critical
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/AU:Y/RE:M/U:Amber

CVSS 3.1

9.0 critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
0.5% estimated probability of exploitation activity in the next 30 days; 44th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWEs
CWE-20 Improper Input Validation
CWE-502 Deserialization of Untrusted Data
OWASP Top 10
A05:2025 Injection, A08:2025 Software or Data Integrity Failures
Published
Modified
Assigned by
PTC (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
PTC Windchill11.0 M030
PTC Windchill11.1 M020
PTC Windchill11.2.1.0
PTC Windchill12.0.2.0
PTC Windchill12.1.2.0
PTC Windchill13.0.2.0
PTC Windchill13.1.0.0
PTC Windchill13.1.1.0
PTC Windchill13.1.2.0
PTC Windchill13.1.3.0
PTC Windchill13.1.4.0
PTC FlexPLM11.0 M030
PTC FlexPLM11.1 M020
PTC FlexPLM11.2.1.0
PTC FlexPLM12.0.2.0
PTC FlexPLM12.1.2.0
PTC FlexPLM13.0.2.0
PTC FlexPLM13.1.0.0
PTC FlexPLM13.1.1.0
PTC FlexPLM13.1.2.0
PTC FlexPLM13.1.3.0

Attack patterns (CAPEC)

  • CAPEC-586 Object Injection Likelihood: Medium · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-20 (51).

References

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