Patchday: Microsoft Office Updates (September 12, 2023)

Update[German]On September 12, 2023 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for still-supported Microsoft Office versions and other products. With the April 2023 patchday, support for Office 2013 ended – but vulnerabilities were still closed in August. Below is an overview of the available updates.


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An overview of the updates can be found on this website (and here for this month). Details are documented in the linked KB articles. The updates are available for the installable MSI version of Microsoft Office (the click-to-run packages obtain the updates through other channels). Office 2019 does not appear in the list because it is distributed via click-to-run packages and receives security updates via the Office Update feature.

Office 2016

The following security updates have been released for Office 2016.

Details on the Office updates can be found in the linked KB articles.

Office 2013

Office 2013 requires Service Pack 1 for Microsoft Office 2013 to be installed. The following security updates have been released (are the same patches as for Office 2016).

Details about the Office updates can be found in the linked KB articles.

Other updates for Office/SharePoint Server

Microsoft has also released security updates for various versions of Microsoft SharePoint Server. The list of updates can be found here.


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Patchday: Microsoft Office Updates (September 12, 2023)

Windows 11 22H2: Preview Update KB5029351 (August 22, 2023)
Windows 11 21H2: Preview-Update KB5029332 (August 22, 2023)
Windows 10 22H2 Preview Update KB5029331 (August 22, 2023)


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