What is CVE-2025-26438?

CVE-2025-26438 is a high-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 8.8/10. Published 2025-09-04.

How severe is CVE-2025-26438?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Google Android

CVE-2025-26438

In smp_process_secure_connection_oob_data of smp_act.cc, there is a possible way to bypass SMP authentication due to Incorrect implementation of a protocol. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Broken Authentication

EPSS: 0.003 (23.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 15.0, 14.0, 13

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security@android.com (Product, Patch)
security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-26438?: CVE-2025-26438 is a high-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 8.8/10. Published 2025-09-04.
How severe is CVE-2025-26438?: High severity. CVSS v3 base score is 8.8 out of 10.