{"id":"CVE-2026-78402","aliases":[],"cve":{"records":[{"id":"CVE-2026-78402","source":"THA-PSIRT","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-08-24T14:22:03.585Z","published":"2026-10-30T19:11:53.889Z","modified":"2026-10-30T20:00:42.731Z"}],"publishers":[{"name":"THA-PSIRT","role":"CNA","organizationId":"9d5917ae-205d-4ae5-8749-1f49479b1395","modified":"2026-10-30T19:47:48.568Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T20:00:42.731Z"}],"references":[{"url":"https://supportportal.thalesgroup.com/csm?id=kb_article_view&sys_kb_id=50fc9f3b3b005f10bba8b41864e45a61&sysparm_article=KB0031216","tags":["vendor-advisory"],"source":"THA-PSIRT"}],"weaknesses":[{"id":"CWE-121","description":"CWE-121 Stack-based buffer overflow","source":"THA-PSIRT"},{"id":"CWE-787","description":"CWE-787 Out-of-bounds write","source":"THA-PSIRT"}],"applicability":[{"source":"THA-PSIRT","statements":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:thalesgroup:sentinel_keys_server:*:*:windows:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"1.3.8.0"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T20:00:33.506955Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Stack Buffer Overflow in Sentinel Keys Server","titleSource":"THA-PSIRT","descriptionSource":"THA-PSIRT","description":"Stack-based buffer overflow and out-of-bounds\nwrite vulnerability in Thales Sentinel Keys Server on Windows allows Overflow\nBuffers. \n\n\n\nSentinel Keys Server does not check the length of the first field in\nthe input message. A local attacker may craft an input and send it to Sentinel\nKeys Server. It may lead to code execution as NT AUTHORITY\\SYSTEM enabling\nlocal privilege escalation.\n\n\n\n\n\nThis issue affects Sentinel Keys Server: versions\nlower than 1.3.8.0.","score":7.8,"severity":"high","published":"2026-10-30T19:11:53.889Z","modified":"2026-10-30T20:00:42.731Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Thalesgroup","name":"Sentinel Keys Server","platforms":["Windows"],"versions":[{"version":"0","status":"affected","lessThan":"1.3.8.0","versionType":"custom"}],"defaultStatus":"unaffected","cpes":[],"source":"THA-PSIRT","url":"https://www.cve.org/CVERecord?id=CVE-2026-78402"}],"remediation":[{"text":"Upgrade latest version.","source":"THA-PSIRT","url":"https://www.cve.org/CVERecord?id=CVE-2026-78402"}],"references":["https://supportportal.thalesgroup.com/csm?id=kb_article_view&sys_kb_id=50fc9f3b3b005f10bba8b41864e45a61&sysparm_article=KB0031216"],"sources":[{"name":"CVE","id":"CVE-2026-78402","modified":"2026-10-30T20:00:42.731Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-78402"}],"assessments":[{"source":"THA-PSIRT","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":7.3},{"source":"THA-PSIRT","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8}],"sourceAffected":[],"observedAt":"2026-10-30T20:24:01.172Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T11:50:31.946Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T21:15:30.714Z","attemptedAt":"2026-10-30T21:15:30.714Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-30T21:15:30.714Z","attemptedAt":"2026-10-30T21:15:30.714Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T21:15:30.714Z","attemptedAt":"2026-10-30T21:15:30.714Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-30T21:15:30.714Z","attemptedAt":"2026-10-30T21:15:30.714Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-78402","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78402","modified":"2026-10-30T20:17:17.653","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-30T21:15:30.714Z"},{"source":"NVD","id":"CVE-2026-78402","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78402","modified":"2026-10-30T20:17:17.653","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-10-30T21:15:30.714Z"},{"source":"ENISA EUVD","id":"EUVD-2026-114363","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-114363","modified":"Oct 30, 2026, 7:47:48 PM","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","checkedAt":"2026-10-30T21:15:30.714Z"}],"aiSummary":null}