Known issues

What Microsoft lists as broken, worked around, or changing in a way that breaks things: Windows release health, Office, Microsoft Graph, SQL Server and Exchange Server updates, and the identity platform. Status is shown as Microsoft publishes it, and ChangeIntel notes when Microsoft revises an entry.

Windows releases

Windows release health

source checked 1d ago

Mitigatedfrom KB5126651Win 10 1809, Server 2019, Win 10 1607 +3updated 16 Oct

Users might be unable to sign in to OWA or send emails on Exchange Server Issue reported on Exchange Server 2016, 2019, and Subscription Edition, affecting OWA sign-in and mail delivery.
Mitigatedfrom KB5124012Win 11 26H1, Win 11 25H2, Win 11 24H2 +9updated 13 Oct

USB audio devices might fail to start or produce no sound Some USB Audio Class 1.0 devices display Code 10 or fail in multichannel audio modes after installing the Sept. 8 update
Mitigatedfrom KB5124006Win 11 26H1, Win 11 25H2, Win 11 24H2updated 13 Oct

Remote Desktop connections might fail for non-admin users with error 0xC000000D This issue affects non-admin users connecting through Remote Desktop with Administrator protection enabled.