Medium severity · published Mar 14, 2023
CVE-2023-23396
Microsoft Excel Denial of Service Vulnerability
6.5
CVSS
3.8%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Microsoft Office Online Server · Microsoft
16.0.1 before 16.0.10396.20000 · source: vendor
MO
Microsoft Office Web Apps Server 2013 Service Pack 1 · Microsoft
15.0.1 before 15.0.5537.1000 · source: vendor
OO
Office Online Server · Microsoft
All versions, or not specified · source: NVD
OW
Office Web Apps Server · Microsoft
2013 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-23396
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-23396
Patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23396
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