{"identifier":"CVE-2026-17122","cve":{"id":"CVE-2026-17122","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a stack-based buffer overflow.","published":"2026-08-20T22:17:12.680000+00:00","modified":"2026-10-27T10:10:00.240000+00:00","status":"Analyzed","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_version":"3.1","affected":[{"criteria":"cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1.0","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":"4.1.0.50"},{"criteria":"cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1.1.0","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":"4.1.1.30"},{"criteria":"cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1.2.0","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":"4.1.2.20"},{"criteria":"cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*","versionStartIncluding":"7.2.5","versionStartExcluding":"","versionEndIncluding":"7.2.5.212","versionEndExcluding":""},{"criteria":"cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*","versionStartIncluding":"7.3.2","versionStartExcluding":"","versionEndIncluding":"7.3.2.5","versionEndExcluding":""},{"criteria":"cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*","versionStartIncluding":"7.3.3","versionStartExcluding":"","versionEndIncluding":"7.3.3.2","versionEndExcluding":""},{"criteria":"cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*","versionStartIncluding":"7.3.4","versionStartExcluding":"","versionEndIncluding":"7.3.4.1","versionEndExcluding":""}],"weaknesses":["CWE-787"],"references":[{"url":"https://www.ibm.com/support/pages/node/7283858","source":"psirt@us.ibm.com","tags":["Patch","Vendor Advisory"]}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"psirt@us.ibm.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-24T00:00:00+00:00","id":"CVE-2026-17122","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1.0","versionEndExcluding":"4.1.0.50","matchCriteriaId":"4A14B743-DDD2-467F-90E7-3431CE35F835"},{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1.1.0","versionEndExcluding":"4.1.1.30","matchCriteriaId":"37B446F0-EE99-42EA-99EE-80E517FDCB78"},{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1.2.0","versionEndExcluding":"4.1.2.20","matchCriteriaId":"6245F535-1896-4CC5-8EC9-89C8EF455B8C"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*","versionStartIncluding":"7.2.5","versionEndIncluding":"7.2.5.212","matchCriteriaId":"EB84A37D-4C98-44FC-8B9B-E14DA7C88ED5"},{"vulnerable":true,"criteria":"cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*","versionStartIncluding":"7.3.2","versionEndIncluding":"7.3.2.5","matchCriteriaId":"EA55F75D-C50C-46D2-93CC-EABB8F49B03F"},{"vulnerable":true,"criteria":"cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*","versionStartIncluding":"7.3.3","versionEndIncluding":"7.3.3.2","matchCriteriaId":"B4115FCC-1026-417E-8D30-237B2C90367E"},{"vulnerable":true,"criteria":"cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*","versionStartIncluding":"7.3.4","versionEndIncluding":"7.3.4.1","matchCriteriaId":"340ADD53-8363-4CDA-AEEB-8DC7CB0088D5"}]}]}],"source":"nvd","retrieved_at":"2026-10-28T10:25:57.880340+00:00","exploited":false,"kev_stale":false,"products":["ibm / vios","ibm / aix"],"priority":{"label":"Critical technical severity","reasons":["CVSS is at least 9.0; exploitation is not established by severity alone."]},"epss":{"probability":0.00802,"percentile":0.56575,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"www.ibm.com","source_url":"https://www.ibm.com/support/pages/node/7283858","investigate_url":"https://investigate.aeglixmind.com/#www.ibm.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-17122","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-17122","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-17122","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}