{"id":"CVE-2026-86573","state":"PUBLISHED","title":"Out-of-bounds Write Vulnerability in Hitachi Disk Array Driver for AIX, Hitachi Disk Array Driver for Virtual I/O Server","description":"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.","publishedAt":"2026-10-14T01:46:58.245Z","updatedAt":"2026-10-18T13:54:09.447Z","severity":{"score":5.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H","source":"Hitachi"},"assigner":"Hitachi","products":["Hitachi Hitachi Disk Array Driver for AIX","Hitachi Hitachi Disk Array Driver for Virtual I/O Server"],"affected":[{"vendor":"Hitachi","product":"Hitachi Disk Array Driver for AIX","defaultStatus":"unaffected","versions":[{"version":"01-00","status":"affected","lessThan":"01-23-/A","changes":[{"at":"01-23-/A","status":"unaffected"}],"versionType":"custom"}]},{"vendor":"Hitachi","product":"Hitachi Disk Array Driver for Virtual I/O Server","defaultStatus":"unaffected","versions":[{"version":"01-04","status":"affected","lessThan":"01-23-/A","changes":[{"at":"01-23-/A","status":"unaffected"}],"versionType":"custom"}]}],"references":["https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-137/index.html"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/86xxx/CVE-2026-86573.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86573","state":"PUBLISHED","datePublished":"2026-10-14T01:46:58.245Z","dateUpdated":"2026-10-18T13:54:09.447Z","assignerShortName":"Hitachi","assignerOrgId":"50d0f415-c707-4733-9afc-8f6c0e9b3f82","dateReserved":"2026-09-08T05:39:06.584Z"},"containers":{"cna":{"title":"Out-of-bounds Write Vulnerability in Hitachi Disk Array Driver for AIX, Hitachi Disk Array Driver for Virtual I/O Server","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Hitachi","product":"Hitachi Disk Array Driver for AIX","defaultStatus":"unaffected","versions":[{"version":"01-00","status":"affected","lessThan":"01-23-/A","changes":[{"at":"01-23-/A","status":"unaffected"}],"versionType":"custom"}]},{"vendor":"Hitachi","product":"Hitachi Disk Array Driver for Virtual I/O Server","defaultStatus":"unaffected","versions":[{"version":"01-04","status":"affected","lessThan":"01-23-/A","changes":[{"at":"01-23-/A","status":"unaffected"}],"versionType":"custom"}]}],"references":[{"url":"https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-137/index.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"HIGH","baseSeverity":"MEDIUM","baseScore":5.1,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787 Out-of-bounds write","type":"CWE"}]}],"providerMetadata":{"shortName":"Hitachi","orgId":"50d0f415-c707-4733-9afc-8f6c0e9b3f82","dateUpdated":"2026-10-14T01:46:58.245Z"},"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"source":{"advisory":"hitachi-sec-2026-137","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-86573","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-18T13:28:56.196323Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-18T13:54:09.447Z"}}]}}}