Critical severity · published Feb 14, 2023
CVE-2023-21716
Microsoft Word Remote Code Execution Vulnerability
9.8
CVSS
84.8%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)84.8% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OF
Office · Microsoft
2019 · source: NVD
SH
SharePoint · Microsoft
2019 · source: NVD
OL
Office Long Term Servicing Channel · Microsoft
2021 · source: NVD
OO
Office Online Server · Microsoft
2016 · source: NVD
OW
Office Web Apps · Microsoft
2013 · source: NVD
SE
Sharepoint Enterprise Server · Microsoft
2013; 2016 · source: NVD
SF
Sharepoint Foundation · Microsoft
2013 · source: NVD
WO
Word · Microsoft
2013; 2013 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-21716
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-21716
Patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716
More from Office
9.8
CVE-2024-21413
Microsoft Outlook Remote Code Execution Vulnerability
9.8
CVE-2023-23397
Microsoft Outlook Elevation of Privilege Vulnerability
8.8
CVE-2024-38189
Microsoft Project Remote Code Execution Vulnerability
8.8
CVE-2023-35311
Microsoft Outlook Security Feature Bypass Vulnerability
8.8
CVE-2019-1297
Microsoft Excel Remote Code Execution Vulnerability