{"identifier":"CVE-2026-91209","cve":{"id":"CVE-2026-91209","description":"Vulnerability in the Oracle Solaris product of Oracle Systems (component: X Window System).   The supported version that is affected is 11.4. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Solaris accessible data as well as  unauthorized read access to a subset of Oracle Solaris accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Solaris. CVSS 3.1 Base Score 4.2 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L).","published":"2026-10-20T22:20:21.210000+00:00","modified":"2026-10-28T17:18:48.050000+00:00","status":"Awaiting Analysis","score":4.2,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L","cvss_version":"3.1","affected":[],"weaknesses":["CWE-284"],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","source":"secalert_us@oracle.com"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"secalert_us@oracle.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L","baseScore":4.2,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":0.8,"impactScore":3.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-28T16:49:17.769469Z","id":"CVE-2026-91209","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T21:20:21.386356+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00095,"percentile":0.00626,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"www.oracle.com","source_url":"https://www.oracle.com/security-alerts/cpuoct2026.html","investigate_url":"https://investigate.aeglixmind.com/#www.oracle.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-91209","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-91209","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-91209","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."}}