{"id":"CVE-2026-103672","aliases":[],"cve":{"records":[{"id":"CVE-2026-103672","source":"icscert","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-15T15:32:21.938Z","published":"2026-10-20T20:23:18.471Z","modified":"2026-10-30T16:13:32.415Z"}],"publishers":[{"name":"icscert","role":"CNA","organizationId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","modified":"2026-10-20T20:23:18.471Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T16:13:32.415Z"}],"references":[{"url":"https://www.hms-networks.com/cybersecurity","tags":[],"source":"icscert"},{"url":"https://www.peak-system.com/support/downloads/software/","tags":[],"source":"icscert"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-293-01","tags":[],"source":"icscert"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-293-01.json","tags":[],"source":"icscert"}],"weaknesses":[{"id":"CWE-129","description":"CWE-129","source":"icscert"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T16:11:37.178792Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"HMS Networks PEAK-System PCAN Windows drivers Improper Validation of Array Index","titleSource":"icscert","descriptionSource":"icscert","description":"The PEAK-System PCAN parser indexes a length table using attacker-controlled DLC without enforcing DLC <= 0x0f, then copies attacker payload from record+0x1c into a fixed-size stack destination.","score":7.1,"severity":"high","published":"2026-10-20T20:23:18.471Z","modified":"2026-10-30T16:13:32.415Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"HMS Networks","name":"PEAK-System Device Driver Setup","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.1.2.1151","versionType":"custom"},{"version":"5.1.4","status":"unaffected"}],"defaultStatus":"unaffected","cpes":[],"source":"icscert","url":"https://www.cve.org/CVERecord?id=CVE-2026-103672"},{"vendor":"HMS Networks","name":"PCAN Windows CAN device drivers","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.1.2","versionType":"custom"},{"version":"5.1.4","status":"unaffected"}],"defaultStatus":"unaffected","cpes":[],"source":"icscert","url":"https://www.cve.org/CVERecord?id=CVE-2026-103672"}],"remediation":[{"text":"HMS Networks AB has addressed the issue in version 5.1.4 and recommends that users upgrade to the newest available version.  Users can find software updates for PEAK-System PCAN on the  software download page https://www.peak-system.com/support/downloads/software/ .\n\n\n\n\nFor more information see the associated  HMS security advisory https://www.hms-networks.com/cybersecurity .","source":"icscert","url":"https://www.cve.org/CVERecord?id=CVE-2026-103672"}],"references":["https://www.hms-networks.com/cybersecurity","https://www.peak-system.com/support/downloads/software/","https://www.cisa.gov/news-events/ics-advisories/icsa-26-293-01","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-293-01.json"],"sources":[{"name":"CVE","id":"CVE-2026-103672","modified":"2026-10-30T16:13:32.415Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-103672"}],"assessments":[{"source":"icscert","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","score":7.1},{"source":"icscert","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","score":6.9}],"sourceAffected":[],"observedAt":"2026-10-30T17:29:22.266Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T07:45:30.596Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}