#exchange-server

3 articles

Knowledge Base3

Professional server room showing Exchange Server infrastructure and network equipment

KB5074994 — Security Update for Microsoft Exchange Server 2019 CU14

KB5074994 is a February 2026 security update that addresses multiple vulnerabilities in Microsoft Exchange Server 2019 Cumulative Update 14, including remote code execution and elevation of privilege flaws.

Mar 119 min

Enterprise server room displaying Exchange Server security update installation progress

KB5074992

Microsoft Exchange Server

KB ArticleMicrosoft Exchange

KB5074992 — Security Update for Microsoft Exchange Server Subscription Edition RTM

KB5074992 is a February 2026 security update that addresses multiple vulnerabilities in Microsoft Exchange Server Subscription Edition RTM, including remote code execution and elevation of privilege flaws affecting Exchange Server environments.

Mar 1112 min

Server room displaying Exchange server infrastructure and security monitoring systems

KB5074993

Microsoft Exchange Server

KB ArticleExchange Server

KB5074993 — Security Update for Microsoft Exchange Server 2019 CU15

KB5074993 is a February 2026 security update that addresses critical vulnerabilities in Microsoft Exchange Server 2019 Cumulative Update 15, including remote code execution and privilege escalation flaws.

Mar 1112 min