CVE-2023-36762: Microsoft Word Remote Code Execution Vulnerability

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-12 · updated 2026-06-17
Weakness: CWE-20

Description

Microsoft Word Remote Code Execution Vulnerability

Affected products

Microsoft 365 Apps: all versions
Microsoft Office: 2019
Microsoft Office LTSC for Mac 2021: 2021
Microsoft SharePoint Server: 2016
Microsoft Word for Android: 2016
Microsoft 365 Apps: from 16.0.1 before https://aka.ms/OfficeSecurityReleases — fixed in https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for Mac: from 16.0.0 before 16.77.23091003 — fixed in 16.77.23091003
Microsoft Office LTSC 2021: from 16.0.1 before https://aka.ms/OfficeSecurityReleases — fixed in https://aka.ms/OfficeSecurityReleases
Microsoft Word 2016: from 16.0.1 before 16.0.5413.1000 — fixed in 16.0.5413.1000
Microsoft Office: from 19.0.0 before https://aka.ms/OfficeSecurityReleases — fixed in https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC for Mac 2021: from 16.0.1 before 16.77.23091003 — fixed in 16.77.23091003
Microsoft Sharepoint Enterprise Server 2016: from 16.0.0 before 16.0.5413.1001 — fixed in 16.0.5413.1001

How to fix

Upgrade to a fixed version: Microsoft 365 Apps https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019 for Mac 16.77.23091003; Microsoft Office LTSC 2021 https://aka.ms/OfficeSecurityReleases; Microsoft Word 2016 16.0.5413.1000; Microsoft Office https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021 16.77.23091003; Microsoft Sharepoint Enterprise Server 2016 16.0.5413.1001. Check the vendor advisory for mitigations.

References

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