{"schema":"threatline.record/2","record":{"id":"CVE-2026-86573","aliases":[],"summary":"Out-of-bounds Write Vulnerability in Hitachi Disk Array Driver for AIX, Hitachi Disk Array Driver for Virtual I/O Server","details":"Out-of-bounds write vulnerability in Hitachi Disk Array Driver for AIX and Hitachi Disk Array Driver for Virtual I/O Server.\n\nThis issue affects Hitachi Disk Array Driver for AIX: from 01-00 before 01-23-/A; Hitachi Disk Array Driver for Virtual I/O Server: from 01-04 before 01-23-/A.","categories":["Operating systems"],"product":"Hitachi Disk Array Driver for AIX","vendor":"Hitachi","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86573","source_modified_at":"2026-10-18T13:54:09.447Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Hitachi Disk Array Driver for AIX","vendor":"Hitachi","versions":[{"status":"affected","version":"01-00","lessThan":"01-23-/A","changes":[{"at":"01-23-/A","status":"unaffected"}],"versionType":"custom"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86573","source_modified_at":"2026-10-18T13:54:09.447Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Hitachi Disk Array Driver for Virtual I/O Server","vendor":"Hitachi","versions":[{"status":"affected","version":"01-04","lessThan":"01-23-/A","changes":[{"at":"01-23-/A","status":"unaffected"}],"versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86573","source_modified_at":"2026-10-18T13:54:09.447Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Hitachi Disk Array Driver for AIX","ecosystem":null},"version":"01-23-/A","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86573","source_modified_at":"2026-10-18T13:54:09.447Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Hitachi Disk Array Driver for Virtual I/O Server","ecosystem":null},"version":"01-23-/A","basis":"first unaffected version stated in the CVE record"}],"cvss":5.1,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00134,"percentile":0.02664,"score_date":"2026-10-23"},"published_at":"2026-10-14T01:46:58.245Z","modified_at":"2026-10-18T13:54:09.447Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-86573","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-18T13:54:09.447Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-86573","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.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-137/index.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":"partial","assessed_at":"2026-10-18T13:28:56.196323Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-18T13:54:09.447Z","content_hash":"02a863ac2ba64acb7ea43ddc6e291c1c55b6b6f342478373d9b257af3d9f2805"}}