NULL pointer dereference in Zephyrproject Zephyr

CVE-2026-10656

The MAX32xxx USB device controller driver (drivers/usb/udc/udc_max32.c, compatible adi_max32_usbhs) dereferenced an endpoint buffer in its OUT and IN transfer-completion handlers without checking it for NULL. udc_event_xfer_out_done() call…

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Zephyrproject Zephyr — versions 4.2.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

Frequently asked questions

What is CVE-2026-10656?: CVE-2026-10656 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under NULL Pointer Dereference. CVSS score: 4.6/10. Published 2026-07-05.
How severe is CVE-2026-10656?: Medium severity. CVSS v3 base score is 4.6 out of 10.