Microsoft SharePoint

Title: Some users may be unable to access SharePoint Online sites configured with Authentication Context User impact: Users may be unable to access SharePoint Online sites configured with Authentication Context. More info: Specifically, users are unable to access SharePoint Online sites configured with Authentication Context through sensitivity labels. Current status: We've reproduced the issue in our testing environment and are reviewing HTTP Archive (HAR) logs to determine why direct links fail when Authentication Context is enabled through sensitivity labels. Scope of impact: Some users attempting to access SharePoint Online sites configured with Authentication Context through sensitivity labels may be impacted. Next update by: Monday, August 31, 2026, at 2:30 PM UTC

Title: Guest users are unable to access SharePoint Online sites connected to Microsoft Teams User impact: Guest users are unable to access SharePoint Online sites connected to Microsoft Teams. More info: The issue is specifically happening when permissions to the SharePoint Online sites are granted through Microsoft 365 groups. Current status: We're investigating a potential issue with SharePoint Online and checking for impact to your organization. We'll provide an update within 30 minutes.