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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Android | 17, 16-qpr2, 16 | — |
Advisories 2
- WID-SEC-2026-4288 Android Patchday November 2026 (Google Android, Automotive OS and XR): Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- NCSC-2026-0467 Kwetsbaarheden verholpen in Google Android en Samsung Mobile NCSC-NL (Netherlands) · Nov 5, 2026