CVE-2024-21402: Microsoft 365 Apps

High severity, CVSS 7.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Microsoft Outlook Elevation of Privilege Vulnerability

Affected products

• Microsoft 365 Apps: up to and including 2401.17231.20236

Published 2024-02-13. Last modified 2026-06-17.