{"id":"CVE-2026-58836","title":"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 err…","summary":"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 err…","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","cvssSource":"adp","vendor":"Google","product":"Android","affected":["Android 17","Android 16-qpr2","Android 16"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-11-02T00:00:00+00:00"},"published":"2026-11-02","updated":"2026-11-03","sourceUpdated":"2026-11-03T04:56:19.530Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-58836","references":[{"url":"https://source.android.com/docs/security/bulletin/2026/2026-11-01"}],"tags":["cve.org"],"epss":0.00104,"epssPercentile":0.01041,"ingestedAt":"2026-11-05T19:30:42.913Z","slug":"CVE-2026-58836","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Android 17`\n- `Android 16-qpr2`\n- `Android 16`\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":[]}