Vulnerability intelligence
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.
CVSS Score
9.3
Critical
EPSS — Exploit Probability
0.8%
Riskier than 54% of all CVEs · checked 2026-09-23
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
unknown
Check vendor advisories
4 articles across 3 outlets · first covered Jun 26, 2026 · latest Jun 26, 2026
Coverage timeline
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PTC Windchill Faces Attack, CISA Orders Patch for CVE-2026-12569www.securityweek.com · Jun 26, 2026
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CISA and BSI warn orgs of critical PTC Windchill and FlexPLM flawsecurityaffairs.com · Mar 27, 2026
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CISA Flags Critical PTC Vulnerability That Had German Police Mobilizedwww.securityweek.com · Mar 27, 2026
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PTC Windchill Product Lifecycle Managementwww.cisa.gov · Mar 26, 2026