CVE-2026-77645
A remote anonymous attacker can exploit multiple vulnerabilities in PTC Windchill and PTC FlexPLM to bypass security measures, execute arbitrary code, and disclose confidential data.
CSIRTS triage
- What
- Multiple vulnerabilities in PTC Windchill and FlexPLM allow remote anonymous attackers to bypass security, execute arbitrary code, and disclose confidential data.
- Who is affected
- PTC Windchill and FlexPLM deployments accessible to anonymous attackers.
- Urgency
- High: severity rated high; remote code execution and authentication bypass are critical.
- Action
- Contact PTC for security updates for Windchill and FlexPLM and apply patches immediately.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[NEW] [high] PTC Windchill and FlexPLM: Multiple vulnerabilitiescert-bund · 2026-08-21
- unknownCVE-2026-77645: A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PT…nvd · 2026-08-20
External references
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[](https://www.csirts.com/cve/CVE-2026-77645)