Vulnerability · Published Oct 13, 2021 · Assigned by microsoft

CVE-2021-40486Microsoft Word Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity security flaw in Microsoft Office 2019 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 6.0% (higher than 93% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)6.0%top 6.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Microsoft Word Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – before 16.0.5227.1000
Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1 15.0.0 – before 15.0.5389.1000
Microsoft Microsoft SharePoint Server 2019 16.0.0 – before 16.0.10379.20000
Microsoft Microsoft Office 2019 19.0.0 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office Online Server 16.0.1 – before 16.0.10379.20000
Microsoft Microsoft Word 2016 16.0.1 – before 16.0.5227.1000
Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.1 – before 15.0.5389.1000
Microsoft Microsoft Word 2013 Service Pack 1 15.0.1 – before 15.0.5389.1000
Microsoft Microsoft Word 2013 Service Pack 1 15.0.1 – before 15.0.5389.1000

References