Users may encounter an error when accessing the context menu in the classic experience within SharePoint Online

Title: Users may encounter an error when accessing the context menu in the classic experience within SharePoint Online User impact: Users may have encountered an error when accessing the context menu in the classic experience within SharePoint Online. Final status: We’ve reverted the update to the last known good version and confirmed with affected users that this has restored context menu access in the classic SharePoint Online experience. Users with existing browser sessions may have to refresh the page to see the fixed behavior. This also confirms that a recent update to the rendering mechanism used when accessing the context menu in the classic experience within SharePoint Online contained a code issue, resulting in impact. Scope of impact: Impact was specific to some users attempting to access the context menu in the classic experience within SharePoint Online. Start time: Wednesday, September 30, 2026, at 3:57 AM UTC End time: Wednesday, September 30, 2026, at 2:37 PM UTC Root cause: A recent update to the rendering mechanism used when accessing the context menu in the classic experience within SharePoint Online contained a code issue, resulting in impact. Next steps: - We're reviewing and improving our service update validation procedure to prevent similar issues from occurring in the future.

Title: Users may encounter an error when accessing the context menu in the Classic experience within SharePoint Online User impact: Users may encounter an error when accessing the context menu in the Classic experience within SharePoint Online. Current status: We’ve identified a recent update as the potential cause of impact, which is preventing users in the SharePoint Classic experience from being redirected when accessing the context menu. We’re reverting the update to the last known good version to restore functionality and validate our root cause theory. Scope of impact: Impact is specific to some users attempting to access the context menu in the Classic experience within SharePoint Online. Next update by: Wednesday, September 30, 2026, at 5:00 PM UTC

Title: Users may encounter an error when accessing the context menu in the Classic experience within SharePoint Online User impact: Users may encounter an error when accessing the context menu in the Classic experience within SharePoint Online. Current status: We’re reviewing recent updates that we suspect may be contributing to the impact and are working to formulate a mitigation plan. Scope of impact: Impact is specific to some users attempting to access the context menu in the Classic experience within SharePoint Online. Next update by: Wednesday, September 30, 2026, at 3:00 PM UTC