These release notes provide information about new features, security updates, and non-security updates that are included in Semi-Annual Channel (Targeted) updates to Office 365 ProPlus in 2018.

Note
  • The following also provides information about new features, security updates, and non-security updates for Visio Pro for Office 365 and Project Online Desktop Client.
  • This information also applies to Office 365 Business, which is the version of Office that comes with some Office 365 plans, such as Business Premium.

Version 1803: June 12

Version 1803 (Build 9126.2227)

Excel: Security updates
  • CVE-2018-8246: Microsoft Excel Information Disclosure Vulnerability
  • CVE-2018-8248: Microsoft Excel Remote Code Execution Vulnerability

Excel: Non-security updates
  • Fix an issue where a group (or ungroup) operation in an Excel PivotTable could sometimes trigger a crash.

Outlook: Security updates
  • CVE-2018-8244: Microsoft Outlook Elevation of Privilege Vulnerability

PowerPoint: Non-security updates
  • Fix an issue where a potential crash could occur when changing the Shape.Visibile property.
  • Fix an issue where changes in co-authored documents fail to merge.
  • Fix an issue where documents containing ActiveX controls would cause co-authoring to fail.
  • Fix an issue where autosave of a presentation will run continuously without stopping.

Project: Non-security updates
  • Fix an issue where in the Timeline view - Add Existing Tasks to the Timeline dialog, only tasks from the first summary task would show up.

Office Suite: Non-security updates
  • Fix an issue where, when deploying updates using System Center Configuration Manager to a client that has running Office applications the update is not applied after restarting the device while Office applications are running.


Source: Release notes for Semi-Annual Channel (Targeted) releases in 2018 | Microsoft Docs