CVE-2026-118786: Improper input validation in non-secure-callable (NSC) veneer functions of the NXP MCUXpresso SDK rpmsg-lite m
CVE-2026-118786 is a medium-severity flaw (CVSS 6.8) affecting mcuxpresso sdk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.8 (Medium) |
| EPSS exploit chance | n/a |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2026-11-06 |
| Last modified | 2026-11-06 |
Last updated 2026-11-06 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-118786?
mcuxpresso sdk: upgrade to 26.06.01-lts, 26.12.00-pvw1. Exact commands for each OS are on this page.
Is CVE-2026-118786 being exploited?
CVE-2026-118786 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-118786 affect?
CVE-2026-118786 affects mcuxpresso sdk. Severity is medium (CVSS 6.8). 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 call
How urgent is CVE-2026-118786?
Priority 24/100. No elevated risk signals yet.
Related CVEs
- CVE-2026-118785 MEDIUM 6.7 UPGRADE Improper handling of non-secure-world input in NSC veneer functions of NXP MCUXpresso SDK TrustZone-M examples