{"id":"CVE-2026-86574","title":"Heap-based Buffer Overflow Vulnerability in JP1/Base","summary":"Heap-based Buffer Overflow Vulnerability in JP1/Base.\n\nThis issue affects JP1/Base: from 11-00 before 12-50-54.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-122"],"vendor":"Hitachi","product":"JP1/Base","affected":["JP1/Base >= 11-00 < 12-50-54"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T09:37:09.275Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86574","references":[{"url":"https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-156/index.html"}],"tags":["cve.org"],"epss":0.00519,"epssPercentile":0.43926,"ingestedAt":"2026-10-27T16:11:59.258Z","slug":"CVE-2026-86574","body":"## Overview\n\nHeap-based Buffer Overflow Vulnerability in JP1/Base.\n\nThis issue affects JP1/Base: from 11-00 before 12-50-54.\n\n## Affected\n\n- `JP1/Base >= 11-00 < 12-50-54`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}