Vulnerability · Published Jan 12, 2021 · Assigned by microsoft

CVE-2021-1714Microsoft Excel Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity security flaw in Excel Services from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.3% (higher than 89% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)3.3%top 11.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Microsoft Excel Remote Code Execution Vulnerability

Affected products (as reported)

Vendor	Product	Versions
Microsoft	Microsoft SharePoint Enterprise Server 2013 Service Pack 1	15.0.0 – before publication
Microsoft	Microsoft Office 2019	19.0.0 – before https://aka.ms/OfficeSecurityReleases
Microsoft	Microsoft Office 2019 for Mac	16.0.0 – before publication
Microsoft	Microsoft Office Online Server	16.0.1 – before publication
Microsoft	Microsoft 365 Apps for Enterprise	16.0.1 – before https://aka.ms/OfficeSecurityReleases
Microsoft	Microsoft Excel 2016	16.0.0.0 – before publication
Microsoft	Microsoft Office 2016	16.0.0 – before publication
Microsoft	Microsoft Excel 2010 Service Pack 2	13.0.0.0 – before publication
Microsoft	Microsoft Excel 2013 Service Pack 1	15.0.0.0 – before publication
Microsoft	Microsoft Office 2010 Service Pack 2	13.0.0.0 – before publication
Microsoft	Microsoft Office 2013 Service Pack 1	15.0.0 – before publication
Microsoft	Microsoft Office Web Apps Server 2013 Service Pack 1	15.0.1 – before publication
Microsoft	Excel Services	15.0.0 – before publication

References

Microsoft Excel Remote Code Execution Vulnerability vendor-advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1714 x_refsource_MISC, x_transferred