{"id":"ASB-A-491253353", "published":"2026-09-01T00:00:00Z", "modified":"2026-09-09T15:15:54.249544283Z", "aliases":["CVE-2026-28603", "A-491253353"], "details":"In assertSafeToStartCustomActivity of AppRestrictionsFragment.java, there is a possible read/write access to private files 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.", "affected":[{"package":{"name":"platform/packages/apps/Settings", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"17-next:0"}, {"fixed":"17-next:2026-09-01"}]}], "versions":["17-next"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/apps/Settings/+/e2db447a6a08163c8140e56e1e604576d4fd5c5c"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["254135208065114074428372951261690934042", "228182769056667432092538698315744223959", "264706955376400474874447664348359889659", "318696653688491585257393060833995396627"], "threshold":0.9}, "id":"ASB-A-491253353-a07f3d53", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/e2db447a6a08163c8140e56e1e604576d4fd5c5c", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java"}}, {"deprecated":false, "digest":{"function_hash":"81445960912966084671613664373860353340", "length":581}, "id":"ASB-A-491253353-e3c37b25", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/e2db447a6a08163c8140e56e1e604576d4fd5c5c", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java", "function":"assertSafeToStartCustomActivity"}}]}}, {"package":{"name":"platform/packages/apps/Settings", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"15:0"}, {"fixed":"15:2026-09-01"}]}], "versions":["15"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/apps/Settings/+/bf5e5cf1ff46bba76526fcad7e0a0af91adac560"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"81445960912966084671613664373860353340", "length":581}, "id":"ASB-A-491253353-093e06ef", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/bf5e5cf1ff46bba76526fcad7e0a0af91adac560", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java", "function":"assertSafeToStartCustomActivity"}}, {"deprecated":false, "digest":{"line_hashes":["254135208065114074428372951261690934042", "228182769056667432092538698315744223959", "264706955376400474874447664348359889659", "318696653688491585257393060833995396627"], "threshold":0.9}, "id":"ASB-A-491253353-4ecf1a8f", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/bf5e5cf1ff46bba76526fcad7e0a0af91adac560", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java"}}]}}, {"package":{"name":"platform/packages/apps/Settings", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"16:0"}, {"fixed":"16:2026-09-01"}]}], "versions":["16"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/apps/Settings/+/0a9b0b20f33499eae37981a68d527c848254245b"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"81445960912966084671613664373860353340", "length":581}, "id":"ASB-A-491253353-68051518", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/0a9b0b20f33499eae37981a68d527c848254245b", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java", "function":"assertSafeToStartCustomActivity"}}, {"deprecated":false, "digest":{"line_hashes":["254135208065114074428372951261690934042", "228182769056667432092538698315744223959", "264706955376400474874447664348359889659", "318696653688491585257393060833995396627"], "threshold":0.9}, "id":"ASB-A-491253353-d5574be3", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/0a9b0b20f33499eae37981a68d527c848254245b", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java"}}]}}, {"package":{"name":"platform/packages/apps/Settings", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"16-qpr2:0"}, {"fixed":"16-qpr2:2026-09-01"}]}], "versions":["16-qpr2"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/apps/Settings/+/52acda89357f0596f203be1334bf90024b0ed490"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["254135208065114074428372951261690934042", "228182769056667432092538698315744223959", "264706955376400474874447664348359889659", "318696653688491585257393060833995396627"], "threshold":0.9}, "id":"ASB-A-491253353-1b4e3953", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/52acda89357f0596f203be1334bf90024b0ed490", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java"}}, {"deprecated":false, "digest":{"function_hash":"81445960912966084671613664373860353340", "length":581}, "id":"ASB-A-491253353-d5b12270", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/52acda89357f0596f203be1334bf90024b0ed490", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java", "function":"assertSafeToStartCustomActivity"}}]}}, {"package":{"name":"platform/packages/apps/Settings", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"17:0"}, {"fixed":"17:2026-09-01"}]}], "versions":["17"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/apps/Settings/+/df6c1b2471a9d23d3890a711625cf135c7c46257"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"81445960912966084671613664373860353340", "length":581}, "id":"ASB-A-491253353-64877f4b", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/df6c1b2471a9d23d3890a711625cf135c7c46257", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java", "function":"assertSafeToStartCustomActivity"}}, {"deprecated":false, "digest":{"line_hashes":["254135208065114074428372951261690934042", "228182769056667432092538698315744223959", "264706955376400474874447664348359889659", "318696653688491585257393060833995396627"], "threshold":0.9}, "id":"ASB-A-491253353-ad700201", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/df6c1b2471a9d23d3890a711625cf135c7c46257", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java"}}]}}, {"package":{"name":"platform/packages/apps/Settings", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"14:0"}, {"fixed":"14:2026-09-01"}]}], "versions":["14"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/apps/Settings/+/63dbf22bdba0e8d3e1671c1413462a1abd649056"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"81445960912966084671613664373860353340", "length":581}, "id":"ASB-A-491253353-1e022709", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/63dbf22bdba0e8d3e1671c1413462a1abd649056", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java", "function":"assertSafeToStartCustomActivity"}}, {"deprecated":false, "digest":{"line_hashes":["254135208065114074428372951261690934042", "228182769056667432092538698315744223959", "264706955376400474874447664348359889659", "318696653688491585257393060833995396627"], "threshold":0.9}, "id":"ASB-A-491253353-56e0749c", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/apps/Settings/+/63dbf22bdba0e8d3e1671c1413462a1abd649056", "target":{"file":"src/com/android/settings/users/AppRestrictionsFragment.java"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2026-09-01"}]}