{"id":"CVE-2026-116488","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-116488","generatedAt":"2026-10-28T10:47:55.280Z","title":"NXP MCUXpresso SDK USB middleware (mcuxsdk-middleware-usb) before 2.13.0 contains a heap buffer overflow in host audio, video and CDC class drivers that trust device-supplied bNumEndpoints and bLength values.","description":"NXP MCUXpresso SDK USB middleware (mcuxsdk-middleware-usb) before 2.13.0 contains a heap buffer overflow in host audio, video and CDC class drivers that trust device-supplied bNumEndpoints and bLength values. A malicious USB device can supply crafted descriptors that write endpoint entries past the fixed-size epList array, corrupting heap memory for code execution or denial of service.","published":"2026-10-26T14:16:38.000Z","lastModified":"2026-10-26T18:39:43.000Z","status":"Awaiting Analysis","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7,"severity":"HIGH","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/M"},"cwe":["CWE-122"],"affected":[],"epss":{"score":0.00374,"percentile":0.31218,"date":"2026-10-27","history":[{"date":"2026-10-27","score":0.00374,"percentile":0.31218}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-26T14:16:38.000Z","detail":{"score":"7.0","severity":"HIGH","publishedAt":"2026-10-26T14:16:37.520Z"},"summary":"New CVE, high severity (CVSS 7.0)."}],"references":[{"url":"https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb","source":"disclosure@vulncheck.com"},{"url":"https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/blob/release/26.06.00/host/class/usb_host_audio.c#L517","source":"disclosure@vulncheck.com"},{"url":"https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/commit/264b8e6849e609abd8e2b045bc7786818b0d2bbc","source":"disclosure@vulncheck.com"},{"url":"https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/commit/6a1d1a7c32026e6d83504415931c4ae97ef7b7a1","source":"disclosure@vulncheck.com"},{"url":"https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/commit/f615b03e302f0c58de5bf1cfeb31dfb85a2e514a","source":"disclosure@vulncheck.com"},{"url":"https://mcuxpresso.nxp.com/mcuxsdk/latest/release/index.html#release-highlights","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/nxp-mcuxpresso-sdk-usb-middleware-before-2.13.0-heap-overflow-via-host-class-drivers","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-116488","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}