This vulnerability is currently not publicly disclosed but it is exploited.

CVE-2023-23397: Microsoft Outlook Elevation of Privilege Vulnerability.

The details about the Outlook vulnerability can be found below It contains 3 security updates for Excel (2), and Outlook (1). Do you still want to open it?' may appear when creating Word documents through automation using templates.The March security and rollup update has been made available for all Click-to-Run installations of Outlook 2016, Outlook 2019, Outlook 2021 and Outlook as part of a Microsoft 365 subscription.

We fixed an issue where the error message 'The last time you opened filename, it caused serious error.

We fixed an issue that caused a manually-scheduled task’s start date to be after its finish date when an XML file was opened in Project.

We fixed an issue that caused users to see an inaccurate count of the number of new notifications present when opening the notification pane.

We fixed an issue that caused users in Government Community Cloud tenants to be unable to launch To-Do in Outlook.

We fixed an issue where users would get an ERROR: 3155, ODBC-insert on a linked table message when inserting a new row into a linked SQL Server table that has an INSERT trigger.

The full release notes in this update are as follows: Resolved issues Access While the version number is 2302, the build number is 16130.20306. Microsoft has released the 2302 update to the Current Channel for Microsoft 365 Apps for enterprise, Microsoft 365 Apps for business, and subscription versions of the desktop apps for Project and Visio.

Microsoft 365 outlook