{"id":"CVE-2026-88131","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-88131","summary":"Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.","details":"Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.","published":"2026-10-08T23:17:04.590","modified":"2026-10-08T23:17:04.590","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88131"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-08T23:17:04.590"}}