{"id":"CVE-2026-28636","title":"In setupLayout of PickActivity.java, there is a possible bypass of the \"Install unknown apps\" security restriction due to a confused deputy","summary":"In setupLayout of PickActivity.java, there is a possible bypass of the \"Install unknown apps\" security restriction due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed.…","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-441"],"vendor":"google","product":"android","affected":["android = 14.0","android = 15.0","android = 16.0"],"published":"2026-09-08","updated":"2026-09-15","sourceUpdated":"2026-09-15T14:06:09.793","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-28636","references":[{"url":"https://source.android.com/docs/security/bulletin/2026/2026-09-01","label":"security@android.com"}],"tags":["nvd","cve.org"],"epss":0.00068,"epssPercentile":0.00033,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T03:57:19.009609Z"},"ingestedAt":"2026-09-08T19:08:49.642Z","slug":"CVE-2026-28636","body":"## Overview\n\nIn setupLayout of PickActivity.java, there is a possible bypass of the \"Install unknown apps\" security restriction due to a confused deputy. 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":201557,"id":"CVE-2026-28636","ts":1789399511010,"field":"cvss","old":null,"new":"7.8"},{"seq":201556,"id":"CVE-2026-28636","ts":1789399511010,"field":"severity","old":"none","new":"high"},{"seq":200291,"id":"CVE-2026-28636","ts":1789397086432,"field":"cvss","old":"7.8","new":null},{"seq":200290,"id":"CVE-2026-28636","ts":1789397086432,"field":"severity","old":"high","new":"none"},{"seq":198215,"id":"CVE-2026-28636","ts":1789391743298,"field":"cvss","old":null,"new":"7.8"},{"seq":198214,"id":"CVE-2026-28636","ts":1789391743298,"field":"severity","old":"none","new":"high"},{"seq":196008,"id":"CVE-2026-28636","ts":1789383399521,"field":"cvss","old":"7.8","new":null},{"seq":196007,"id":"CVE-2026-28636","ts":1789383399521,"field":"severity","old":"high","new":"none"},{"seq":194937,"id":"CVE-2026-28636","ts":1789380300535,"field":"cvss","old":null,"new":"7.8"},{"seq":194936,"id":"CVE-2026-28636","ts":1789380300535,"field":"severity","old":"none","new":"high"},{"seq":193724,"id":"CVE-2026-28636","ts":1789378269059,"field":"cvss","old":"7.8","new":null},{"seq":193723,"id":"CVE-2026-28636","ts":1789378269059,"field":"severity","old":"high","new":"none"},{"seq":192511,"id":"CVE-2026-28636","ts":1789376233434,"field":"cvss","old":null,"new":"7.8"},{"seq":192510,"id":"CVE-2026-28636","ts":1789376233434,"field":"severity","old":"none","new":"high"},{"seq":191298,"id":"CVE-2026-28636","ts":1789373126742,"field":"cvss","old":"7.8","new":null},{"seq":191297,"id":"CVE-2026-28636","ts":1789373126742,"field":"severity","old":"high","new":"none"},{"seq":190083,"id":"CVE-2026-28636","ts":1789369121176,"field":"cvss","old":null,"new":"7.8"},{"seq":190082,"id":"CVE-2026-28636","ts":1789369121176,"field":"severity","old":"none","new":"high"},{"seq":188870,"id":"CVE-2026-28636","ts":1789368038484,"field":"cvss","old":"7.8","new":null},{"seq":188869,"id":"CVE-2026-28636","ts":1789368038484,"field":"severity","old":"high","new":"none"},{"seq":187653,"id":"CVE-2026-28636","ts":1789364996635,"field":"cvss","old":null,"new":"7.8"},{"seq":187652,"id":"CVE-2026-28636","ts":1789364996635,"field":"severity","old":"none","new":"high"},{"seq":186440,"id":"CVE-2026-28636","ts":1789363002535,"field":"cvss","old":"7.8","new":null},{"seq":186439,"id":"CVE-2026-28636","ts":1789363002535,"field":"severity","old":"high","new":"none"},{"seq":185226,"id":"CVE-2026-28636","ts":1789360969828,"field":"cvss","old":null,"new":"7.8"},{"seq":185225,"id":"CVE-2026-28636","ts":1789360969828,"field":"severity","old":"none","new":"high"},{"seq":184013,"id":"CVE-2026-28636","ts":1789357943539,"field":"cvss","old":"7.8","new":null},{"seq":184012,"id":"CVE-2026-28636","ts":1789357943539,"field":"severity","old":"high","new":"none"},{"seq":182265,"id":"CVE-2026-28636","ts":1789354098020,"field":"cvss","old":null,"new":"7.8"},{"seq":182264,"id":"CVE-2026-28636","ts":1789354098020,"field":"severity","old":"none","new":"high"},{"seq":181058,"id":"CVE-2026-28636","ts":1789352943527,"field":"cvss","old":"7.8","new":null},{"seq":181057,"id":"CVE-2026-28636","ts":1789352943527,"field":"severity","old":"high","new":"none"},{"seq":179851,"id":"CVE-2026-28636","ts":1789350001217,"field":"cvss","old":null,"new":"7.8"},{"seq":179850,"id":"CVE-2026-28636","ts":1789350001217,"field":"severity","old":"none","new":"high"},{"seq":178644,"id":"CVE-2026-28636","ts":1789347814454,"field":"cvss","old":"7.8","new":null},{"seq":178643,"id":"CVE-2026-28636","ts":1789347814454,"field":"severity","old":"high","new":"none"},{"seq":177437,"id":"CVE-2026-28636","ts":1789346181827,"field":"cvss","old":null,"new":"7.8"},{"seq":177436,"id":"CVE-2026-28636","ts":1789346181827,"field":"severity","old":"none","new":"high"},{"seq":176230,"id":"CVE-2026-28636","ts":1789342752137,"field":"cvss","old":"7.8","new":null},{"seq":176229,"id":"CVE-2026-28636","ts":1789342752137,"field":"severity","old":"high","new":"none"},{"seq":176014,"id":"CVE-2026-28636","ts":1789342358641,"field":"cvss","old":null,"new":"7.8"},{"seq":176013,"id":"CVE-2026-28636","ts":1789342358641,"field":"severity","old":"none","new":"high"},{"seq":175554,"id":"CVE-2026-28636","ts":1789338390140,"field":"cvss","old":"7.8","new":null},{"seq":175553,"id":"CVE-2026-28636","ts":1789338390140,"field":"severity","old":"high","new":"none"},{"seq":174349,"id":"CVE-2026-28636","ts":1789334604881,"field":"cvss","old":null,"new":"7.8"},{"seq":174348,"id":"CVE-2026-28636","ts":1789334604881,"field":"severity","old":"none","new":"high"},{"seq":173144,"id":"CVE-2026-28636","ts":1789333197560,"field":"cvss","old":"7.8","new":null},{"seq":173143,"id":"CVE-2026-28636","ts":1789333197560,"field":"severity","old":"high","new":"none"},{"seq":171958,"id":"CVE-2026-28636","ts":1789330884598,"field":"cvss","old":null,"new":"7.8"},{"seq":171957,"id":"CVE-2026-28636","ts":1789330884598,"field":"severity","old":"none","ne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