What is CVE-2026-25263?

CVE-2026-25263 is a medium-severity vulnerability in Qualcomm, Inc. Snapdragon, classified under Out-of-bounds Write. CVSS score: 6.6/10. Published 2026-10-06.

How severe is CVE-2026-25263?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Buffer overflow in Qualcomm, Inc. Snapdragon

CVE-2026-25263

Memory corruption while processing IOCTL command called from user space to the kernel with invalid parameters.

Vulnerability class: Buffer Overflow

Published 2026-10-06 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L.

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 315 5G IoT Modem, 5G Fixed Wireless Access Platform, C-V2X 9150

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

docs.qualcomm.com/product/publicresources/securitybulletin/october-2026-bulleti…

Frequently asked questions

What is CVE-2026-25263?: CVE-2026-25263 is a medium-severity vulnerability in Qualcomm, Inc. Snapdragon, classified under Out-of-bounds Write. CVSS score: 6.6/10. Published 2026-10-06.
How severe is CVE-2026-25263?: Medium severity. CVSS v3 base score is 6.6 out of 10.