Main Vulnerability Database Vulnerabilities #VU80726

Information disclosure in Microsoft products - CVE-2023-36766

Published: September 13, 2023

Vulnerability identifier: #VU80726

CSH Severity: Medium

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-36766

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and gain unauthorized access to sensitive information on the system.

Affected software

Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Microsoft Office
Microsoft Excel
Office Online Server

How to mitigate CVE-2023-36766

Install updates from vendor's website.

Microsoft Excel - addressed in versions 15.0.5589.1000, 16.0.5413.1000
Office Online Server - update to 16.0.10402.20000

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36766

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