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.
Published: 2026-11-02
Score: 7.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 02 Nov 2026 22:30:00 +0000

Type Values Removed Values Added
Title Android Local Privilege Escalation via Enhanced Confirmation Mode Bypass
Weaknesses CWE-284
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 02 Nov 2026 22:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android

Mon, 02 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Mon, 02 Nov 2026 20:00:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: google_android

Published:

Updated: 2026-11-02T20:28:00.544Z

Reserved: 2026-07-02T05:58:50.042Z

Link: CVE-2026-58836

cve-icon Vulnrichment

Updated: 2026-11-02T20:27:53.718Z

cve-icon NVD

Status : Received

Published: 2026-11-02T20:17:48.053

Modified: 2026-11-02T21:17:34.730

Link: CVE-2026-58836

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-02T22:15:17Z

Weaknesses