CVE-2026-4681

EUVD-2026-14606
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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
PTCCNA
9.3 CRITICAL
NETWORK
LOW
NONE
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/AU:Y/R:U/V:C/RE:M/U:Red
Base Score
CVSS 3.x
EPSS Score
Percentile: 51.73%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
ptcwindchill_pdmlink
11.2.1.0
CNA
ptcwindchill_pdmlink
12.0.2.0
CNA
ptcwindchill_pdmlink
12.1.2.0
CNA
ptcwindchill_pdmlink
13.0.2.0
CNA
ptcwindchill_pdmlink
13.1.0.0
CNA
ptcwindchill_pdmlink
13.1.1.0
CNA
ptcwindchill_pdmlink
13.1.2.0
CNA
ptcwindchill_pdmlink
13.1.3.0
CNA
ptcwindchill_pdmlink
12.0.0.0
CNA
ptcwindchill_pdmlink
12.0.3.0
CNA
ptcwindchill_pdmlink
12.1.3.0
CNA
ptcwindchill_pdmlink
13.0.3.0
CNA
Common Weakness Enumeration
References
https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl