CVE-2025-62931: Microsoftstart Msn Partner Hub

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in microsoftstart MSN Partner Hub microsoft-start allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MSN Partner Hub: from n/a through <= 2.9.

Affected products

• Microsoftstart Msn Partner Hub: up to and including 2.9

Published 2025-10-27. Last modified 2026-10-08.