CVE-2023-21716

Microsoft Word Remote Code Execution Vulnerability

CVE-2023-21716 is fixed in 13 products on 1 platform, first by KB5002309, released February 17, 2023. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent

CVSS

9.8

Critical

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.8480

99th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Office Online Server	KB5002309	Feb 17, 2023
Microsoft Office Web Apps Server 2013 Service Pack 1	KB5002313	Feb 17, 2023
Microsoft SharePoint Enterprise Server 2013 Service Pack 1	KB5002312	Feb 17, 2023
Microsoft SharePoint Enterprise Server 2013 Service Pack 1	KB5002347	Feb 17, 2023
Microsoft SharePoint Enterprise Server 2013 Service Pack 1	KB5002346	Feb 17, 2023
Microsoft SharePoint Enterprise Server 2016	KB5002325	Feb 17, 2023
Microsoft SharePoint Foundation 2013 Service Pack 1	KB5002312	Feb 17, 2023
Microsoft SharePoint Foundation 2013 Service Pack 1	KB5002347	Feb 17, 2023
Microsoft SharePoint Server 2019	KB5002342	Feb 17, 2023
Microsoft SharePoint Server 2019	KB5002330	Feb 17, 2023
Microsoft SharePoint Server Subscription Edition	KB5002353	Feb 17, 2023
Microsoft SharePoint Server Subscription Edition	KB5002352	Feb 17, 2023
Microsoft Word 2013 RT Service Pack 1	KB5002316	Feb 17, 2023
Microsoft Word 2013 Service Pack 1 (32-bit editions)	KB5002316	Feb 17, 2023
Microsoft Word 2013 Service Pack 1 (64-bit editions)	KB5002316	Feb 17, 2023
Microsoft Word 2016 (32-bit edition)	KB5002323	Feb 17, 2023
Microsoft Word 2016 (64-bit edition)	KB5002323	Feb 17, 2023
SharePoint Server Subscription Edition Language Pack	KB5002352	Feb 17, 2023

Details

Published
February 17, 2023
Weakness
Integer Overflow or Wraparound
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/cve/CVE-2023-21716">CVE-2023-21716 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Is this on your machines?

Patchblox finds every install below the fixed version on Windows, macOS and Linux, and updates them through your release rings.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.