Microsoft Windows Server | WI600763

Impact: You might be unable to view effective access and explorer.exe might continue to use CPU after closing the dialog. Originating KB URL: https://support.microsoft.com/en-us/topic/5026372 Originating KB Release Date: 2023-05-09T10:00:00-07:00 Originating Build: 22621.1702 Resolved KB URL: https://support.microsoft.com/en-us/topic/5027303 Date Resolved: 2023-06-27T10:00:00-07:00 Vendor Message History: ======================= Published: 2023-07-29T01:14:17.703+00:00 ---------------------------------------- After installing updates released on May 9, 2023 or later updates, you might be unable to view Effective Access (https://learn.microsoft.com/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc771586(v=ws.11)) in the "Advanced Security Settings" dialog for shared files or folders. On affected devices, when the "View effective access" button is selected, you will receive the message "Computing effective access...." but the results of the query might not be displayed and explorer.exe might continue to use CPU after the Advanced Security settings dialog is closed. This issue is unlikely to be experienced by consumers using Windows devices in their home. Workaround: If you have attempted to view effective access, you can mitigate the CPU usage issue by restarting your device or by signing out for the affected user. Note: Locking Windows will not mitigate this issue, you must sign out. Resolution: This issue was resolved in KB5027303 (https://support.microsoft.com/help/5027303). Affected platforms: - Client: Windows 11, version 22H2; Windows 11, version 21H2 - Server: Windows Server 2022 Published: 2023-06-27T18:38:23.497+00:00 ---------------------------------------- After installing updates released on May 9, 2023 or later updates, you might be unable to view Effective Access (https://learn.microsoft.com/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc771586(v=ws.11)) in the "Advanced Security Settings" dialog for shared files or folders. On affected devices, when the "View effective access" button is selected, you will receive the message "Computing effective access...." but the results of the query might not be displayed and explorer.exe might continue to use CPU after the Advanced Security settings dialog is closed. This issue is unlikely to be experienced by consumers using Windows devices in their home. Workaround: If you have attempted to view effective access, you can mitigate the CPU usage issue by restarting your device or by signing out for the affected user. Note: Locking Windows will not mitigate this issue, you must sign out. Resolution: This issue has been addressed for devices running Windows 11, version 22H2 in updates released on June 27, 2023 (KB5027303 (https://support.microsoft.com/help/5027303)) and later. This issue will be resolved on other affected Windows versions in updates that will be released in the near term. Affected platforms: - Client: Windows 11, version 22H2; Windows 11, version 21H2 - Server: Windows Server 2022 Published: 2023-06-21T23:44:39.137+00:00 ---------------------------------------- After installing updates released on May 9, 2023 or later updates, you might be unable to view Effective Access (https://learn.microsoft.com/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc771586(v=ws.11)) in the "Advanced Security Settings" dialog for shared files or folders. On affected devices, when the "View effective access" button is selected, you will receive the message "Computing effective access...." but the results of the query might not be displayed and explorer.exe might continue to use CPU after the Advanced Security settings dialog is closed. This issue is unlikely to be experienced by consumers using Windows devices in their home. Workaround: If you have attempted to view effective access, you can mitigate the CPU usage issue by restarting your device or by signing out for the affected user. Note: Locking Windows will not mitigate this issue, you must sign out. Next steps: We are working on a resolution and estimate a solution will be available in late June 2023. Affected platforms: - Client: Windows 11, version 22H2; Windows 11, version 21H2 - Server: Windows Server 2022