{"id":"CVE-2026-21157","title":"Improper input validation in Bixby prior to version 4.0.85.6 allows privileged local attackers to launch arbitrary activity.","summary":"Improper input validation in Bixby prior to version 4.0.85.6 allows privileged local attackers to launch arbitrary activity.","severity":"high","cvss":8.3,"cvssVector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-20"],"vendor":"Samsung Mobile","product":"Bixby","affected":["Bixby (all versions)"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-29T00:00:00+00:00"},"published":"2026-10-29","updated":"2026-10-30","sourceUpdated":"2026-10-30T03:55:58.739Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-21157","references":[{"url":"https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=07"}],"tags":["cve.org"],"epss":0.00106,"epssPercentile":0.01104,"ingestedAt":"2026-11-03T10:42:03.623Z","slug":"CVE-2026-21157","body":"## Overview\n\nImproper input validation in Bixby prior to version 4.0.85.6 allows privileged local attackers to launch arbitrary activity.\n\n## Affected\n\n- `Bixby (all versions)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":45.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}