{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-88131","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","state":"PUBLISHED","assignerShortName":"microsoft","dateReserved":"2026-09-09T21:53:00.397Z","datePublished":"2026-10-08T22:15:32.377Z","dateUpdated":"2026-10-31T18:12:58.941Z"},"containers":{"cna":{"title":"Microsoft Dataverse Remote Code Execution Vulnerability","datePublic":"2026-10-08T14:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:dataverse:*:*:*:*:*:*:*:*","versionStartIncluding":"-"}]}]}],"affected":[{"vendor":"Microsoft","product":"Microsoft Dataverse","versions":[{"version":"-","status":"affected"}]}],"descriptions":[{"value":"Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.","lang":"en-US"}],"problemTypes":[{"descriptions":[{"description":"CWE-502: Deserialization of Untrusted Data","lang":"en-US","type":"CWE","cweId":"CWE-502"}]}],"providerMetadata":{"orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft","dateUpdated":"2026-10-31T18:12:58.941Z"},"references":[{"name":"Microsoft Dataverse Remote Code Execution Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88131"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"CRITICAL","baseScore":9.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}],"tags":["exclusively-hosted-service"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-09T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-88131"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-10T03:55:22.534Z"}}]}}