Critical severity · published Mar 14, 2023
CVE-2023-23397
Microsoft Outlook Elevation of Privilege Vulnerability
In wildKEV
9.8
CVSS
97.2%
EPSS
Yes
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)97.2% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Mar 14, 2023
Federal remediation dueApr 4, 2023
Ransomware campaign useNot known
Affected products
Which versions
OF
Office · Microsoft
2019 · source: NVD, KEV
OU
Outlook · Microsoft
2013; 2013; 2016 · source: NVD
M3
Microsoft 365 Apps for Enterprise · Microsoft
16.0.1 before https://aka.ms/OfficeSecurityReleases · source: vendor
MO
Microsoft Office 2019 · Microsoft
19.0.0 before https://aka.ms/OfficeSecurityReleases · source: vendor
MO
Microsoft Office LTSC 2021 · Microsoft
16.0.1 before https://aka.ms/OfficeSecurityReleases · source: vendor
MO
Microsoft Outlook 2013 Service Pack 1 · Microsoft
15.0.0.0 before 15.0.5537.1000 · source: vendor
MO
Microsoft Outlook 2016 · Microsoft
16.0.0.0 before 16.0.5387.1000 · source: vendor
OL
Office Long Term Servicing Channel · Microsoft
2021 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-23397
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-23397
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23397
More from Office
9.8
CVE-2024-21413
Microsoft Outlook Remote Code Execution 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
8.8
CVE-2019-0541
Microsoft MSHTML Remote Code Execution Vulnerability