CVE-2022-21840

Microsoft Office Remote Code Execution Vulnerability

Description

Microsoft Office Remote Code Execution Vulnerability

8.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 7.76% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft SharePoint Enterprise Server 2016

Affected: Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1

Affected: Microsoft Microsoft SharePoint Server 2019

Affected: Microsoft Microsoft Office 2019

Affected: Microsoft Microsoft Office 2019 for Mac

Affected: Microsoft Microsoft Office Online Server

Affected: Microsoft Microsoft 365 Apps for Enterprise

Affected: Microsoft Microsoft Office LTSC for Mac 2021

Affected: Microsoft Microsoft Office LTSC 2021

Affected: Microsoft Microsoft SharePoint Server Subscription Edition

Affected: Microsoft SharePoint Server Subscription Edition Language Pack

Affected: Microsoft Microsoft Excel 2016

Affected: Microsoft Microsoft Office 2016

Affected: Microsoft Microsoft Excel 2013 Service Pack 1

Affected: Microsoft Microsoft Office 2013 Service Pack 1

Affected: Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1

Affected: Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1

References

Link	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21840	vendor advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21840

Frequently Asked Questions

What is the severity of CVE-2022-21840?: CVE-2022-21840 has been scored as a high severity vulnerability.
How to fix CVE-2022-21840?: To fix CVE-2022-21840, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-21840 being actively exploited in the wild?: It is possible that CVE-2022-21840 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-21840?: CVE-2022-21840 affects Microsoft Microsoft SharePoint Enterprise Server 2016, Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1, Microsoft Microsoft SharePoint Server 2019, Microsoft Microsoft Office 2019, Microsoft Microsoft Office 2019 for Mac, Microsoft Microsoft Office Online Server, Microsoft Microsoft 365 Apps for Enterprise, Microsoft Microsoft Office LTSC for Mac 2021, Microsoft Microsoft Office LTSC 2021, Microsoft Microsoft SharePoint Server Subscription Edition, Microsoft SharePoint Server Subscription Edition Language Pack, Microsoft Microsoft Excel 2016, Microsoft Microsoft Office 2016, Microsoft Microsoft Excel 2013 Service Pack 1, Microsoft Microsoft Office 2013 Service Pack 1, Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1, Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1.