CVE-2026-58836 | Vulnetix

CVE-2026-58836 PUBLISHED CVSS 7.8 HIGH

Reported by google_android · Published November 2, 2026

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.

Risk scores

CVSS 3.1

7.8

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Vendor	Product	Versions
Google	Android	17, 16-qpr2, 16
Google	Android	17, 16-qpr2, 16

Timeline

Nov 2, 2026 Coalition ESS Score
Nov 2, 2026 CVE Published
Nov 3, 2026 EPSS Score

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vulnetix vdb fixes CVE-2026-58836

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References

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