What is CVE-2026-55257?

CVE-2026-55257 is a high-severity vulnerability in Google Android, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 8.4/10. Published 2026-11-02.

How severe is CVE-2026-55257?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Google Android

CVE-2026-55257

In UsbDialogHelper of UsbDialogHelper.java, there is a possible UI confusion due to misleading or insufficient UI. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Published 2026-11-02 · last modified 2026-11-03.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/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 14, 15, 16

Weakness classification (CWE)

CWE-451 — User Interface (UI) Misrepresentation of Critical Information

References

source.android.com/docs/security/bulletin/2026/2026-11-01

Frequently asked questions

What is CVE-2026-55257?: CVE-2026-55257 is a high-severity vulnerability in Google Android, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 8.4/10. Published 2026-11-02.
How severe is CVE-2026-55257?: High severity. CVSS v3 base score is 8.4 out of 10.