{"id":"CVE-2026-88131","title":"Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.","summary":"Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-502"],"vendor":"microsoft","product":"dataverse","affected":["dataverse"],"published":"2026-10-08","updated":"2026-10-15","sourceUpdated":"2026-10-15T18:38:18.067","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88131","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88131","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.01225,"epssPercentile":0.68663,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-09T00:00:00+00:00"},"ingestedAt":"2026-10-09T00:19:50.977Z","slug":"CVE-2026-88131","body":"## Overview\n\nDeserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.\n\n## Affected\n\n- `dataverse`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}