{"schema":"threatline.record/2","record":{"id":"CVE-2026-84854","aliases":[],"summary":"Out of Bound Write on WibuKey for Windows","details":"In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of a kernel buffer could cause small amounts of data to be written outside the intended kernel buffer. This can lead to a system crash. Under unfavorable circumstances, adjacent kernel memory may be modified.","categories":["Unclassified"],"product":"wibukey","vendor":"wibu-systems-ag","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-84854","source_modified_at":"2026-10-15T01:24:02.611Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"wibukey","vendor":"wibu-systems-ag","versions":[{"lessThan":"6.72","status":"affected","version":"0","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-84854","source_modified_at":"2026-10-15T01:24:02.611Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"wibukey","ecosystem":null},"version":"6.72","basis":"first unaffected version stated in the CVE record"}],"cvss":7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00101,"percentile":0.00864,"score_date":"2026-10-23"},"published_at":"2026-10-06T09:59:33.393Z","modified_at":"2026-10-15T01:24:02.611Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-84854","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-15T01:24:02.611Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-84854","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-100065.pdf","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://cert-portal.siemens.com/productcert/html/ssa-148322.html"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-06T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-15T01:24:02.611Z","content_hash":"5a123d1d0e614d3cd6ea3b56ac2c2445a4b5bd7854ec94f7522326b48025c3b8"}}