What is CVE-2026-25254?

CVE-2026-25254 is a critical-severity vulnerability in Qualcomm, Inc. Snapdragon, classified under Improper Authorization. CVSS score: 9.8/10. Published 2026-09-22.

How severe is CVE-2026-25254?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Qualcomm, Inc. Snapdragon

CVE-2026-25254

Improper authorization leads to Remote Code Execution via SocketIO interface.

Published 2026-09-22 · last modified 2026-09-22.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/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

Qualcomm, Inc. Snapdragon — versions QSCv1.17.1, QSCv1.19.1, QSCv1.21.0

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.ht…

Frequently asked questions

What is CVE-2026-25254?: CVE-2026-25254 is a critical-severity vulnerability in Qualcomm, Inc. Snapdragon, classified under Improper Authorization. CVSS score: 9.8/10. Published 2026-09-22.
How severe is CVE-2026-25254?: Critical severity. CVSS v3 base score is 9.8 out of 10.