CVE-2025-59248

No fix known EPSS 1%CVSS 7.5

Improper input validation in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

Published 2025-10-14 · CVE record · OSV

Products: Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 14, Microsoft Exchange Server 2019 Cumulative Update 15, Microsoft Exchange Server Subscription Edition RTM