{"id":"CVE-2026-83520","revision":"f133983e67344e49ae461692cbc006c2","records":[{"revision":"f133983e67344e49ae461692cbc006c2","observedAt":"2026-10-25T16:19:10.271+00:00","statement":{"source":"nvd","id":"CVE-2026-83520","aliases":[],"title":"Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code over a network.","description":"Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code over a network.","state":0,"publishedAt":"2026-10-13T19:19:57.933+00:00","modifiedAt":"2026-10-22T22:18:48.31+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · secure@microsoft.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83520"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-83520","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-502"],"productCriteria":[],"sourceDates":{"published":"2026-10-13T19:19:57.933","lastModified":"2026-10-22T22:18:48.310"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-83520","identifiers":["CVE-2026-83520"]},"retained":false,"historicalAffected":[]}],"coverage":[]}