Patch Repository

Microsoft Exchange Server 2025 Patch Details
Patch Name ExchangeSubscriptionEdition-KB5066366-x64-en.exe
Patch Description Security Update for Exchange Server SE RTM SU3 (KB5066366)
Bulletin Id MS25-OCT9
Bulletin Title Security update for Microsoft Exchange Server 2016
Severity Important
Location Path ExchangeSubscriptionEdition-KB5066366-x64-en.exe
Bulletin Summary Security update for Microsoft Exchange Server 2016
Superceding Bulletin Id None
Patch Release Date Oct 14, 2025

Affected Product Information

Product Name Service Pack Name
Microsoft Exchange Server 2025Exchange Server 2025 RTM

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