CVE-2026-96940

No fix known EPSS 3%CVSS 8.8

Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Published 2026-10-02 · 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