Answer in brief
CVE-2026-77645 records a Unknown severity vulnerability in Critical Remote Code Execution (RCE) vulnerability reported in Windchill. The current sources do not mark it as known exploited. The current feed maps PTC/FlexPLM (generic), PTC/Windchill PDMLink (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps PTC/FlexPLM (generic), PTC/Windchill PDMLink (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| PTC/FlexPLMgeneric | 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 | Not reported |
| PTC/Windchill PDMLinkgeneric | 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 | Not reported |
Published upstream
Aug 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 20, 2026
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.
Quoted source text, attributed separately from HOL analysis.