{"id":"CVE-2026-21100","title":"Improper access control in SystemUI prior to SMR Sep-2026 Release 1 allows local attackers to launch arbitrary activity.","summary":"Improper access control in SystemUI prior to SMR Sep-2026 Release 1 allows local attackers to launch arbitrary activity.","severity":"medium","cvss":6.9,"cvssVector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-284"],"vendor":"Samsung Mobile","product":"Samsung Mobile Devices","affected":["devices (all versions)"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T17:45:32.648202Z"},"published":"2026-09-09","updated":"2026-09-10","sourceUpdated":"2026-09-10T17:45:52.499Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-21100","references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09"}],"tags":["cve.org"],"epss":0.00093,"epssPercentile":0.00635,"ingestedAt":"2026-09-11T11:32:42.884Z","slug":"CVE-2026-21100","body":"## Overview\n\nImproper access control in SystemUI prior to SMR Sep-2026 Release 1 allows local attackers to launch arbitrary activity.\n\n## Affected\n\n- `devices (all versions)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":38,"depthScoreParts":{"impact":38,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":56238,"id":"CVE-2026-21100","ts":1789074388696,"field":"cvss","old":"6.9","new":"7.1"},{"seq":56237,"id":"CVE-2026-21100","ts":1789074388696,"field":"severity","old":"medium","new":"high"}]}