CVE-2026-116488

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 31.2% of scored records. A rank, not a probability.

NVD base score

7.0 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-26.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-26 13:08Z3 DAYS AGO

Last updated

2026-10-26 13:08Z3 DAYS AGO

Reserved

2026-10-26

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 7.0)

CNA CVSS vector

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant

Data version

5.2

Document digest

b7729b17ee87695f47da22b94c777fd48be0a810742ef20391d7661b5eff9c17

• github.comPatch Commithttps://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/commit/264b8e6849e609abd8e2b045bc7786818b0d2bbcpatch
• github.comFix Commit (video)https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/commit/6a1d1a7c32026e6d83504415931c4ae97ef7b7a1patch
• github.comFix Commit (audio)https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/commit/f615b03e302f0c58de5bf1cfeb31dfb85a2e514apatch
• github.comhttps://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/blob/release/26.06.00/host/class/usb_host_audio.c#L517technical-description
• mcuxpresso.nxp.comMCUXpresso SDK Release Noteshttps://mcuxpresso.nxp.com/mcuxsdk/latest/release/index.html#release-highlightsrelease-notes
• github.comhttps://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usbproduct
• www.vulncheck.comVulnCheck Advisory: NXP MCUXpresso SDK USB Middleware before 2.13.0 Heap Overflow via Host Class Drivershttps://www.vulncheck.com/advisories/nxp-mcuxpresso-sdk-usb-middleware-before-2.13.0-heap-overflow-via-host-class-driversthird-party-advisory