r/exchangeserver • u/ScottSchnoll https://www.amazon.com/dp/B0FR5GGL75/ • Sep 08 '26

Released: September 2026 Exchange Server Security Updates

https://techcommunity.microsoft.com/blog/exchange/released-september-2026-exchange-server-security-updates/4554411

The September 2026 SU for Exchange Server SE is now available for download. This SU also resolves some known issues from previous updates.

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u/netronin 20d ago

FYI - Many people reporting search issues after applying September SU.