CVE-2025-29805: Microsoft Outlook

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Exposure of sensitive information to an unauthorized actor in Outlook for Android allows an unauthorized attacker to disclose information over a network.

Affected products

• Microsoft Outlook: before 4.2509.0 (fixed in 4.2509.0)

Published 2025-04-08. Last modified 2026-06-17.