CVE-2023-36766

Microsoft Excel Information Disclosure Vulnerability

State: Published
Severity: 7.8 High
Published: Sep 12, 2023
Updated: Oct 30, 2025
Reserved: Jun 27, 2023

Description

Microsoft Excel Information Disclosure Vulnerability

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Microsoft Office 2019Microsoft	19.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office 2019 for MacMicrosoft	16.0.0 to before 16.77.23091003Affected
Microsoft Office Online ServerMicrosoft	16.0.1 to before 16.0.10402.20000Affected
Microsoft 365 Apps for EnterpriseMicrosoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC for Mac 2021Microsoft	16.0.1 to before 16.77.23091003Affected
Microsoft Office LTSC 2021Microsoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Excel 2016Microsoft	16.0.0.0 to before 16.0.5413.1000Affected
Microsoft Excel 2013 Service Pack 1Microsoft	15.0.0.0 to before 15.0.5589.1000Affected

References

Microsoft Excel Information Disclosure Vulnerabilityvendor-advisory

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