{"id":"CVE-2026-58836","aliases":["A-349318333","ASB-A-349318333","EUVD-2026-115588","GHSA-gqff-qxrp-c57r"],"status":"published","title":"In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced...","description":"In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00104,"percentile":0.01038,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-693"],"published":"2026-11-01T00:00:00Z","modified":"2026-11-09T17:02:25Z","fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["17-qpr2-next:2026-11-01","16:2026-11-01","16-qpr2:2026-11-01","17:2026-11-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17-qpr2-next:0"},{"fixed":"17-qpr2-next:2026-11-01"}]}],"versions":["17-qpr2-next"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"16:0"},{"fixed":"16:2026-11-01"}]}],"versions":["16"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"16-qpr2:0"},{"fixed":"16-qpr2:2026-11-01"}]}],"versions":["16-qpr2"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17:0"},{"fixed":"17:2026-11-01"}]}],"versions":["17"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/docs/security/bulletin/2026/2026-11-01","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58836"},{"url":"https://github.com/advisories/GHSA-gqff-qxrp-c57r"},{"url":"https://source.android.com/security/bulletin/2026-11-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/frameworks/base/+/9444f519c4e55123c11a7ce92a960bb38486dbab","tags":["fix"]},{"url":"https://android.googlesource.com/platform/frameworks/base/+/ec56593e44df7847b614c1fbdb44feaf2d75623e","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2026-58836","description":"In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T19:53:45.561Z","modified":"2026-11-03T04:56:19.53Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-693"],"updated_at":"2026-11-03T06:40:44.279652Z"}],"euvd":[{"id":"EUVD-2026-115588","description":"In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T19:53:45Z","modified":"2026-11-03T04:56:19Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T06:45:42.278982Z"}],"ghsa":[{"id":"GHSA-gqff-qxrp-c57r","title":"In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced...","description":"In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T21:32:01Z","modified":"2026-11-02T21:32:01Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-693"],"updated_at":"2026-11-03T00:02:47.574481Z"}],"nvd":[{"id":"CVE-2026-58836","description":"In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T20:17:48.053Z","modified":"2026-11-09T14:08:32.56Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-693"],"updated_at":"2026-11-09T16:14:54.431469Z"}],"osv":[{"id":"ASB-A-349318333","description":"In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-09T17:02:25.177699889Z","updated_at":"2026-11-09T17:36:36.959817Z"}]}}