CVE-2022-21840

high Microsoft
CVSS v3 Base Score
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
9.5%
Exploitation probability in 30 days
Top 7% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: January 11, 2022 (1641 days ago)
Last Modified: May 19, 2026
Vendor: Microsoft
Source: NVD

Description

Microsoft Office Remote Code Execution Vulnerability

CWE

NVD-CWE-noinfo

Affected Products

microsoft excelmicrosoft officemicrosoft office long term servicing channelmicrosoft office online servermicrosoft office web appsmicrosoft sharepoint enterprise servermicrosoft sharepoint server

References

🔗 msrc.microsoft.com 🔗 portal.msrc.microsoft.com