Improper input validation in Nxp Mcuxpresso Sdk

CVE-2026-118786

Improper input validation in non-secure-callable (NSC) veneer functions of the NXP MCUXpresso SDK rpmsg-lite multicore example (multicore_examples/rpmsg_lite_pingpong_tzm) up to releases 26.06.00-lts and 26.09.00 may allow a non-secure caller to supply unvalidated pointers and size values, potentially resulting in disclosure of secure-world memory to the non-secure domain, or denial of service. All software versions starting from 26.06.01-lts and 26.12.00-pvw1 have fixed this issue.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published .

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-118786?
CVE-2026-118786 is a medium-severity vulnerability in Nxp Mcuxpresso Sdk, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2026-11-06.
How severe is CVE-2026-118786?
Medium severity. CVSS v3 base score is 6.8 out of 10.