Vulnerability in Google Android
CVE-2026-58836
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Google Android — versions 16, 16-qpr2, 17
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-58836?
- CVE-2026-58836 is a high-severity vulnerability in Google Android, classified under Protection Mechanism Failure. CVSS score: 7.8/10. Published 2026-11-02.
- How severe is CVE-2026-58836?
- High severity. CVSS v3 base score is 7.8 out of 10.