Vulnerability details
CVE-2026-77645
PTC FlexPLMPTC Windchill PDMLink
Critical Remote Code Execution (RCE) vulnerability reported in Windchill
CVSS 4.0
9.2Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.2Critical | 4.0 | CVEProject cvelistV5 (CNA) (PTC) | CVSS:4.0/AV:N/AC:H/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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| PTC | FlexPLM | 11.0 M030 | CVEProject cvelistV5 (CNA) |
| PTC | FlexPLM | 11.1 M020 | CVEProject cvelistV5 (CNA) |
| PTC | FlexPLM | 11.2.1.0 | CVEProject cvelistV5 (CNA) |
| PTC | FlexPLM | 12.0.0.0 | CVEProject cvelistV5 (CNA) |
| PTC | FlexPLM | 12.0.2.0 | CVEProject cvelistV5 (CNA) |
| PTC | FlexPLM | 12.0.3.0 | CVEProject cvelistV5 (CNA) |
| PTC | FlexPLM | 12.1.2.0 | CVEProject cvelistV5 (CNA) |
| PTC | FlexPLM | 12.1.3.0 | CVEProject cvelistV5 (CNA) |
| PTC | FlexPLM | 13.0.2.0 | CVEProject cvelistV5 (CNA) |
| PTC | FlexPLM | 13.0.3.0 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 11.0 M030 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 11.1 M020 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 11.2.1.0 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 12.0.2.0 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 12.1.2.0 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 13.0.2.0 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 13.1.0.0 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 13.1.1.0 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 13.1.2.0 | CVEProject cvelistV5 (CNA) |
| PTC | Windchill PDMLink | 13.1.3.0 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://www.ptc.com/en/support/article/CS474826 vendor-advisorymitigationpermissions-required
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Details
- Published
- 2026-08-21
- Last updated
- 2026-08-22
- State
- Published
- Assigner (CNA)
- PTC
Exploit prediction (EPSS)
0.55%
Probability of exploitation in 30 days
46.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-20Improper input validation
- CWE-502Deserialization of untrusted data