{"id":"CVE-2026-28590","title":"In multiple locations, there is a possible improper encryption key validation due to a logic error in the code","summary":"In multiple locations, there is a possible improper encryption key validation due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not need…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-347"],"vendor":"google","product":"android","affected":["android = 14.0","android = 15.0","android = 16.0"],"published":"2026-09-08","updated":"2026-09-15","sourceUpdated":"2026-09-15T14:31:39.183","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-28590","references":[{"url":"https://source.android.com/docs/security/bulletin/2026/2026-09-01","label":"security@android.com"}],"tags":["nvd","cve.org"],"epss":0.00052,"epssPercentile":0.00001,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T03:57:00.760124Z"},"ingestedAt":"2026-09-08T19:08:49.643Z","slug":"CVE-2026-28590","body":"## Overview\n\nIn multiple locations, there is a possible improper encryption key validation due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.\n\n## Affected\n\n- `android = 14.0`\n- `android = 15.0`\n- `android = 16.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":201499,"id":"CVE-2026-28590","ts":1789399510831,"field":"cvss","old":null,"new":"7.8"},{"seq":201498,"id":"CVE-2026-28590","ts":1789399510831,"field":"severity","old":"none","new":"high"},{"seq":200233,"id":"CVE-2026-28590","ts":1789397086227,"field":"cvss","old":"7.8","new":null},{"seq":200232,"id":"CVE-2026-28590","ts":1789397086227,"field":"severity","old":"high","new":"none"},{"seq":198157,"id":"CVE-2026-28590","ts":1789391739054,"field":"cvss","old":null,"new":"7.8"},{"seq":198156,"id":"CVE-2026-28590","ts":1789391739054,"field":"severity","old":"none","new":"high"},{"seq":195950,"id":"CVE-2026-28590","ts":1789383399320,"field":"cvss","old":"7.8","new":null},{"seq":195949,"id":"CVE-2026-28590","ts":1789383399320,"field":"severity","old":"high","new":"none"},{"seq":194879,"id":"CVE-2026-28590","ts":1789380300350,"field":"cvss","old":null,"new":"7.8"},{"seq":194878,"id":"CVE-2026-28590","ts":1789380300350,"field":"severity","old":"none","new":"high"},{"seq":193666,"id":"CVE-2026-28590","ts":1789378268846,"field":"cvss","old":"7.8","new":null},{"seq":193665,"id":"CVE-2026-28590","ts":1789378268846,"field":"severity","old":"high","new":"none"},{"seq":192453,"id":"CVE-2026-28590","ts":1789376233227,"field":"cvss","old":null,"new":"7.8"},{"seq":192452,"id":"CVE-2026-28590","ts":1789376233227,"field":"severity","old":"none","new":"high"},{"seq":191240,"id":"CVE-2026-28590","ts":1789373126543,"field":"cvss","old":"7.8","new":null},{"seq":191239,"id":"CVE-2026-28590","ts":1789373126543,"field":"severity","old":"high","new":"none"},{"seq":190025,"id":"CVE-2026-28590","ts":1789369120963,"field":"cvss","old":null,"new":"7.8"},{"seq":190024,"id":"CVE-2026-28590","ts":1789369120963,"field":"severity","old":"none","new":"high"},{"seq":188812,"id":"CVE-2026-28590","ts":1789368038286,"field":"cvss","old":"7.8","new":null},{"seq":188811,"id":"CVE-2026-28590","ts":1789368038286,"field":"severity","old":"high","new":"none"},{"seq":187595,"id":"CVE-2026-28590","ts":1789364996460,"field":"cvss","old":null,"new":"7.8"},{"seq":187594,"id":"CVE-2026-28590","ts":1789364996460,"field":"severity","old":"none","new":"high"},{"seq":186382,"id":"CVE-2026-28590","ts":1789363002320,"field":"cvss","old":"7.8","new":null},{"seq":186381,"id":"CVE-2026-28590","ts":1789363002320,"field":"severity","old":"high","new":"none"},{"seq":185168,"id":"CVE-2026-28590","ts":1789360969651,"field":"cvss","old":null,"new":"7.8"},{"seq":185167,"id":"CVE-2026-28590","ts":1789360969651,"field":"severity","old":"none","new":"high"},{"seq":183955,"id":"CVE-2026-28590","ts":1789357943343,"field":"cvss","old":"7.8","new":null},{"seq":183954,"id":"CVE-2026-28590","ts":1789357943343,"field":"severity","old":"high","new":"none"},{"seq":182207,"id":"CVE-2026-28590","ts":1789354097839,"field":"cvss","old":null,"new":"7.8"},{"seq":182206,"id":"CVE-2026-28590","ts":1789354097839,"field":"severity","old":"none","new":"high"},{"seq":181000,"id":"CVE-2026-28590","ts":1789352943299,"field":"cvss","old":"7.8","new":null},{"seq":180999,"id":"CVE-2026-28590","ts":1789352943299,"field":"severity","old":"high","new":"none"},{"seq":179793,"id":"CVE-2026-28590","ts":1789350001005,"field":"cvss","old":null,"new":"7.8"},{"seq":179792,"id":"CVE-2026-28590","ts":1789350001005,"field":"severity","old":"none","new":"high"},{"seq":178586,"id":"CVE-2026-28590","ts":1789347814254,"field":"cvss","old":"7.8","new":null},{"seq":178585,"id":"CVE-2026-28590","ts":1789347814254,"field":"severity","old":"high","new":"none"},{"seq":177379,"id":"CVE-2026-28590","ts":1789346180857,"field":"cvss","old":null,"new":"7.8"},{"seq":177378,"id":"CVE-2026-28590","ts":1789346180857,"field":"severity","old":"none","new":"high"},{"seq":176172,"id":"CVE-2026-28590","ts":1789342751933,"field":"cvss","old":"7.8","new":null},{"seq":176171,"id":"CVE-2026-28590","ts":1789342751933,"field":"severity","old":"high","new":"none"},{"seq":175956,"id":"CVE-2026-28590","ts":1789342358445,"field":"cvss","old":null,"new":"7.8"},{"seq":175955,"id":"CVE-2026-28590","ts":1789342358445,"field":"severity","old":"none","new":"high"},{"seq":175496,"id":"CVE-2026-28590","ts":1789338389947,"field":"cvss","old":"7.8","new":null},{"seq":175495,"id":"CVE-2026-28590","ts":1789338389947,"field":"severity","old":"high","new":"none"},{"seq":174291,"id":"CVE-2026-28590","ts":1789334603715,"field":"cvss","old":null,"new":"7.8"},{"seq":174290,"id":"CVE-2026-28590","ts":1789334603715,"field":"severity","old":"none","new":"high"},{"seq":173086,"id":"CVE-2026-28590","ts":1789333197359,"field":"cvss","old":"7.8","new":null},{"seq":173085,"id":"CVE-2026-28590","ts":1789333197359,"field":"severity","old":"high","new":"none"},{"seq":171900,"id":"CVE-2026-28590","ts":1789330883434,"field":"cvss","old":null,"new":"7.8"},{"seq":171899,"id":"CVE-2026-28590","ts":1789330883434,"field":"severity","old":"none","ne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