CVE-2026-88131

⚠️ MICROSOFT DISCLOSES 5 CRITICAL CLOUD-SERVICE FLAWS — PARTNER CENTER RATED CVSS 10.0 Microsoft published five critical CVEs on Oct 8 affecting hosted Microsoft services: • CVE-2026-96207 (CVSS 10.0) Partner Center: improper certificate validation, unauthenticated network privilege escalation • CVE-2026-94510 (CVSS 9.9) Bookings: authorization bypass via user-controlled key • CVE-2026-77900 (CVSS 9.8) Azure App Service for Linux: missing authentication, code execution • CVE-2026-88131 (CVSS 9.8) Dataverse: deserialization of untrusted data, RCE • CVE-2026-69435 (CVSS 9.6) Azure SRE Agent: missing authorization, privilege escalation by an authenticated attacker Fixes are deployed on Microsoft's side; no public exploit or in-the-wild exploitation reported so far. Admins should review MSRC entries for any tenant-side guidance. Primary: msrc[.]microsoft[.]com/update-guide/vulnerability/CVE-2026-96207 #DDW #DarkWeb #Microsoft #Azure #CVE #CloudSecurity #CyberSecurity

CVE-2026-88131 scores 9.8 critical in Microsoft Dataverse. • Remote code execution • No auth or user interaction needed • Network attack vector Check the MSRC advisory now. https://thecircuitry.to/article/critical-cve-2026-88131-hits-microsoft-dataverse-with-remote-code-execution-mv06keod https://t.co/hSdQtK71KP

🚨 CVE-2026-88131 (CVSS 9.8 Critical) Deserialization of untrusted data in Microsoft Dataverse allows unauthorized remote attackers to execute arbitrary code over the network. https://www.thehackerwire.com/vulnerability/CVE-2026-88131/ https://t.co/K0y1nlNuDs

CVE-2026-88131: unauthenticated RCE in Microsoft Dataverse via insecure deserialization on OData/Web API endpoints. Update pending. Block untrusted inbound traffic to Dataverse APIs and apply the update on release. https://www.badgersignal.com/articles/remote-code-execution-via-deserialization-in-microsoft-dataverse-cve202688131 #Microsoft #Dataverse #InfoSec https://t.co/Ck3NdBnrGk

Correction: Microsoft says CVE-2026-88131 in Dataverse is already fully mitigated on its side, so customers don't need to take any action. We've updated the story: https://thecircuitry.to/article/critical-cve-2026-88131-hits-microsoft-dataverse-with-remote-code-execution-mv06keod