Vulnerability Intelligence Report
Critical Remote Code Execution vulnerability reported in Windchill
CVE-2026-4681
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. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0.
No Active Exploit Signals
CVSS Base Score
9.3
CRITICAL
EPSS Probability:0.67%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Threat Intelligence Signals
EPSS Score
0.673%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | PTC Inc. · Vendor · USA |
| Reserved | 2026-03-23T21:42:24 |
| Published | 2026-03-23T21:48:05 |
| Last Updated | 2026-03-24T14:49:43 |
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