CVE-2026-4681
Windchill vulnerability analysis and mitigation

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.


SourceNVD

Related Windchill vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-12569CRITICAL9.3
  • Windchill logoWindchill
  • cpe:2.3:a:ptc:windchill_pdmlink
YesNoJun 18, 2026
CVE-2026-4681CRITICAL9.3
  • Windchill logoWindchill
  • cpe:2.3:a:ptc:windchill_pdmlink
NoNoMar 23, 2026
CVE-2026-77645CRITICAL9.2
  • Windchill logoWindchill
  • cpe:2.3:a:ptc:windchill_pdmlink
NoNoAug 20, 2026
CVE-2026-77646HIGH7.7
  • Windchill logoWindchill
  • cpe:2.3:a:ptc:windchill_pdmlink
NoNoAug 20, 2026

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