{"schema":"threatline.record/2","record":{"id":"CVE-2026-109576","aliases":[],"summary":"HMS Networks PEAK-System PCAN Windows drivers Out-of-bounds Write","details":"The parser in PEAK-System PCAN driver correctly detected the malformed record, but the loop iterating the record list advanced its processed-bytes counter even when a record had been rejected as invalid.","categories":["Unclassified"],"product":"PEAK-System Device Driver Setup","vendor":"HMS Networks","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109576","source_modified_at":"2026-10-20T20:16:18.220Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"PEAK-System Device Driver Setup","vendor":"HMS Networks","versions":[{"status":"affected","version":"0","lessThanOrEqual":"5.1.2.1151","versionType":"custom"},{"status":"unaffected","version":"5.1.4"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109576","source_modified_at":"2026-10-20T20:16:18.220Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"PCAN Windows CAN device drivers","vendor":"HMS Networks","versions":[{"status":"affected","version":"0","lessThanOrEqual":"5.1.2","versionType":"custom"},{"status":"unaffected","version":"5.1.4"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":5.5,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00122,"percentile":0.01858,"score_date":"2026-10-23"},"published_at":"2026-10-20T20:16:18.220Z","modified_at":"2026-10-20T20:16:18.220Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109576","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T20:16:18.220Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109576","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.hms-networks.com/cybersecurity"},{"source":"CVE List","url":"https://www.peak-system.com/support/downloads/software/"},{"source":"CVE List","url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-293-01"},{"source":"CVE List","url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-293-01.json"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T20:16:18.220Z","content_hash":"ec4b2e8729373293b79f7c94d4260606143bed44d7b25b6935e9d73ab4fd4bc9"}}