CVE-2026-58836
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Android
PublishedNov 2, 2026
First seenNov 4, 2026
Weakness typeCWE-693CWE-693
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Google Android | 17, 16-qpr2, 16 | — |
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