CVE-2026-126325

Critical Remote Code Execution (RCE) vulnerability reported in Windchill

Published Nov 11, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

PTC

Windchill

unaffected

Version	Status	Constraints
`11.0 M030`	affected	—
`11.1 M020`	affected	—
`11.2.1.0`	affected	—
`12.0.2.0`	affected	—
`12.1.2.0`	affected	—
`13.0.2.0`	affected	—
`13.1.0.0`	affected	—
`13.1.1.0`	affected	—
`13.1.2.0`	affected	—
`13.1.3.0`	affected	—
`13.1.4.0`	affected	—

PTC

FlexPLM

unaffected

Version	Status	Constraints
`11.0 M030`	affected	—
`11.1 M020`	affected	—
`11.2.1.0`	affected	—
`12.0.2.0`	affected	—
`12.1.2.0`	affected	—
`13.0.2.0`	affected	—
`13.1.0.0`	affected	—
`13.1.1.0`	affected	—
`13.1.2.0`	affected	—
`13.1.3.0`	affected	—

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.512% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.ptc.com/en/support/article/CS483249

History

Nov 11, 2026 3:15 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		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.
Title		Critical Remote Code Execution (RCE) vulnerability reported in Windchill
Weaknesses		CWE-20 CWE-502
References		https://www.ptc.com/en/support/article/CS483249
Metrics		cvssV3_1 `{'score': 9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'}` cvssV4_0 `{'score': 9.2, 'vector': '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'}`