Enhanced Confirmation Mode Bypass in InstallPackageHelper.java of Android
CVE-2026-58836

7.8HIGH

Key Information:

Vendor

Google

Status
Vendor
CVE Published:
2 November 2026

What is CVE-2026-58836?

A vulnerability in the InstallPackageHelper.java file allows a sideloaded application to bypass Enhanced Confirmation Mode, which is intended to prevent unauthorized package modifications during self-update processes. Due to a logic flaw in the code, the sideloaded application can alter its package source without user interaction, potentially enabling local privilege escalation with user-level execution rights. This vulnerability emphasizes the importance of secure coding practices in Android’s application management framework.

Affected Version(s)

Android 17

Android 16-qpr2

Android 16

References

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.