{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90975", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-09-14T13:39:39.619Z", "datePublished": "2026-11-06T18:36:42.089Z", "dateUpdated": "2026-11-10T18:23:05.208Z"}, "containers": {"cna": {"title": "CVE-2026-90975", "descriptions": [{"lang": "en", "value": "A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a local, low-privileged user to abuse a kernel I/O control (IOCTL) interface that acts on a caller-supplied user-mode pointer without proper validation or capture. By issuing crafted property requests an attacker can obtain kernel-mode read and write access, which can be leveraged for local privilege escalation and arbitrary kernel code execution."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Realtek", "product": "RtUsbA64.sys", "versions": [{"status": "affected", "version": "6.3.9600.2393"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-822"}]}], "references": [{"url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-90975"}], "x_generator": {"engine": "VINCE 4.0.1", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-90975"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-11-06T18:36:42.089Z"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.kb.cert.org/vuls/id/701544"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-11-06T19:11:47.406Z"}}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-822", "lang": "en", "description": "CWE-822 Untrusted Pointer Dereference"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-11-10T18:22:27.974732Z", "id": "CVE-2026-90975", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-10T18:23:05.208Z"}}]}}

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{"affected": [{"affectedData": [{"product": "RtUsbA64.sys", "vendor": "Realtek", "versions": [{"status": "affected", "version": "6.3.9600.2393"}]}], "source": "cret@cert.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a local, low-privileged user to abuse a kernel I/O control (IOCTL) interface that acts on a caller-supplied user-mode pointer without proper validation or capture. By issuing crafted property requests an attacker can obtain kernel-mode read and write access, which can be leveraged for local privilege escalation and arbitrary kernel code execution."}], "id": "CVE-2026-90975", "lastModified": "2026-11-10T19:21:35.977", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-90975", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-10T18:22:27.974732Z", "version": "2.0.3"}}]}, "published": "2026-11-06T19:17:59.147", "references": [{"source": "cret@cert.org", "url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-90975"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.kb.cert.org/vuls/id/701544"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-822"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.3.9600.2393"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "RtUsbA64.sys", "source": "cna", "vendor": "Realtek"}, "product": "rtusba64.sys", "vendor": "realtek"}], "created": "2026-11-06T19:45:08.424374+00:00", "title": "Local Privilege Escalation via Kernel I/O Control in Realtek RtUsbA64.sys", "updated": "2026-11-06T21:12:23.653148+00:00", "vendors": ["realtek", "realtek$PRODUCT$rtusba64.sys"], "weaknesses": ["CWE-20", "CWE-125"]}