{"id":"ASB-A-492867206","details":"In buildIntentSenderForUser of LauncherAppsService.java, there is a possible way to launch an activity from the background due to BAL Bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-492867206","CVE-2026-28663"],"modified":"2026-10-23T16:03:44.105534497Z","published":"2026-09-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2026-09-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/base/+/b8e217c4e6cd732b12359d880882a3a45923cf51"}],"affected":[{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17-next:0"},{"fixed":"17-next:2026-09-01"}]}],"versions":["17-next"],"ecosystem_specific":{"spl":"2026-09-01","types":["EoP"],"vanir_signatures":[{"target":{"file":"services/core/java/com/android/server/pm/LauncherAppsService.java","function":"buildIntentSenderForUser"},"deprecated":false,"digest":{"length":241,"function_hash":"205782447677274820822768333087601091402"},"id":"ASB-A-492867206-76482208","match_only_versions":["17-next"],"signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/0c7caef3e68dc331a45cad0b6bbee69e7cf928ba"},{"source":"https://android.googlesource.com/platform/frameworks/base/+/0c7caef3e68dc331a45cad0b6bbee69e7cf928ba","target":{"file":"services/core/java/com/android/server/pm/LauncherAppsService.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["34878170647092220094198471460782984958","245146035355219054620918275134847388525","17586896819016018104508305862690728080","286128720219145839896196620643694455307","192294756465606380276309274407509266258","303867056285791585113898258142201683968","10290333893925963385796614567875450492","24020049375719534545029647369220883169"]},"id":"ASB-A-492867206-87c22528","match_only_versions":["17-next"],"signature_type":"Line","signature_version":"v1"}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/0c7caef3e68dc331a45cad0b6bbee69e7cf928ba"],"severity":"High"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-492867206.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"16:0"},{"fixed":"16:2026-09-01"}]}],"versions":["16"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/frameworks/base/+/341e2f0e08d985964ebdadfc5fc73797c83b2139"],"severity":"High","spl":"2026-09-01","types":["EoP"],"vanir_signatures":[{"id":"ASB-A-492867206-b84c4b2c","match_only_versions":["16"],"signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/341e2f0e08d985964ebdadfc5fc73797c83b2139","target":{"function":"buildIntentSenderForUser","file":"services/core/java/com/android/server/pm/LauncherAppsService.java"},"deprecated":false,"digest":{"function_hash":"205782447677274820822768333087601091402","length":241}},{"digest":{"line_hashes":["34878170647092220094198471460782984958","245146035355219054620918275134847388525","17586896819016018104508305862690728080","286128720219145839896196620643694455307","192294756465606380276309274407509266258","303867056285791585113898258142201683968","10290333893925963385796614567875450492","24020049375719534545029647369220883169"],"threshold":0.9},"id":"ASB-A-492867206-dd4fd580","match_only_versions":["16"],"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/341e2f0e08d985964ebdadfc5fc73797c83b2139","target":{"file":"services/core/java/com/android/server/pm/LauncherAppsService.java"},"deprecated":false}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-492867206.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"16-qpr2:0"},{"fixed":"16-qpr2:2026-09-01"}]}],"versions":["16-qpr2"],"ecosystem_specific":{"types":["EoP"],"vanir_signatures":[{"source":"https://android.googlesource.com/platform/frameworks/base/+/513ee1bafa9b72b55c32d2d709251212ee8c6d1a","target":{"file":"services/core/java/com/android/server/pm/LauncherAppsService.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["34878170647092220094198471460782984958","245146035355219054620918275134847388525","17586896819016018104508305862690728080","286128720219145839896196620643694455307","192294756465606380276309274407509266258","303867056285791585113898258142201683968","10290333893925963385796614567875450492","24020049375719534545029647369220883169"]},"id":"ASB-A-492867206-e6e8ed75","match_only_versions":["16-qpr2"],"signature_type":"Line","signature_version":"v1"},{"target":{"function":"buildIntentSenderForUser","file":"services/core/java/com/android/server/pm/LauncherAppsService.java"},"deprecated":false,"digest":{"length":241,"function_hash":"205782447677274820822768333087601091402"},"id":"ASB-A-492867206-fe25eb38","match_only_versions":["16-qpr2"],"signature_type":"Function","signature_version":"v1","source":"ht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