CVE-2023-23397

Microsoft Outlook Elevation of Privilege Vulnerability

State: Published
Severity: 9.8 Critical
Published: Mar 14, 2023
Updated: Oct 21, 2025
Reserved: Jan 11, 2023

Description

Microsoft Outlook Elevation of Privilege Vulnerability

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C	microsoft

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
Microsoft Office LTSC 2021Microsoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Outlook 2016Microsoft	16.0.0.0 to before 16.0.5387.1000Affected
Microsoft 365 Apps for EnterpriseMicrosoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office 2019Microsoft	19.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Outlook 2013 Service Pack 1Microsoft	15.0.0.0 to before 15.0.5537.1000Affected

References

Microsoft Outlook Elevation of Privilege Vulnerabilityvendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23397government-resource

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