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CVE-2026-88131.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSCRITICAL / 9.8CVSS 3.1 · secure@microsoft.com
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSUndergoing AnalysisModified Oct 10, 2026

Disclosure summary

Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.

Source-reported weakness categories

CWE-502

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2026-88131

Open original source · Updated Oct 10, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

MSRC Security Update Guide · RSS-cd50bc17b280397149844f2f8565a2ee2ac

Open original source · Updated Oct 08, 2026

CVE-2026-88131 Microsoft Dataverse Remote Code Execution Vulnerability

CVE mention in publisher metadata; check the original affected versions.

Original records & references

PUBLISHED 2026-10-08T19:17:04-04:00
MODIFIED 2026-10-10T00:18:19-04:00
INGESTED 2026-10-10T20:55:12-04:00