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Critical 9.2Published Aug 20, 2026
CVE-2026-77645Critical Remote Code Execution (RCE) vulnerability reported in Windchill
Updated under an hour ago ()
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It affects PTC Windchill PDMLink and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 9.2 CRITICAL (v4.0, CNA)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
- Weakness (CWE)
- CWE-20, CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- PTC
- NVD analysis
- Deferred
- Record last updated
- Aug 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
PTC Windchill PDMLink ptc:windchill_pdmlink (from the name) | 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; and 2 more ranges | CNA record |
PTC FlexPLM ptc:flexplm (from the name) | 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; and 2 more ranges | CNA record |
References
- https://www.ptc.com/en/support/article/CS474826vendor-advisory, mitigation, permissions-required
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.