{"id":"CVE-2026-77645","aliases":["EUVD-2026-63755","GHSA-qxmv-9q88-wwmw"],"status":"published","title":"Critical Remote Code Execution (RCE) vulnerability reported in Windchill","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.","severity":{"version":"4.0","score":9.2,"vector":"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00559,"percentile":0.46903,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-502"],"published":"2026-08-20T22:08:41Z","modified":"2026-10-26T10:10:00Z","products":[{"vendor":"ptc","product":"flexplm"},{"vendor":"ptc","product":"windchill pdmlink"}],"references":[{"url":"https://www.ptc.com/en/support/article/CS474826","tags":["vendor-advisory","mitigation","permissions-required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77645"},{"url":"https://github.com/advisories/GHSA-qxmv-9q88-wwmw"}],"sources":{"cve":[{"id":"CVE-2026-77645","title":"Critical Remote Code Execution (RCE) vulnerability reported in Windchill","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.","status":"published","published":"2026-08-20T22:08:41.642Z","modified":"2026-08-22T03:55:42.259Z","cvss":[{"version":"4.0","score":9.2,"vector":"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","level":"critical","assessor":"cna"}],"cwes":["CWE-20","CWE-502"],"updated_at":"2026-11-02T14:20:15.712761Z"}],"euvd":[{"id":"EUVD-2026-63755","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.","status":"published","published":"2026-08-20T22:08:41Z","modified":"2026-08-22T03:55:42Z","cvss":[{"version":"4.0","score":9.2,"vector":"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","level":"critical"}],"updated_at":"2026-11-02T18:01:36.154425Z"}],"ghsa":[{"id":"GHSA-qxmv-9q88-wwmw","title":"A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC...","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.","status":"published","published":"2026-08-21T00:31:24Z","modified":"2026-08-21T00:31:31Z","cvss":[{"version":"4.0","score":9.2,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Red","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:10:48.883791Z"}],"nvd":[{"id":"CVE-2026-77645","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.","status":"published","published":"2026-08-20T22:18:06.51Z","modified":"2026-10-26T10:10:00.14Z","cvss":[{"version":"4.0","score":9.2,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Red","level":"critical","assessor":"secondary"}],"cwes":["CWE-20","CWE-502"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}