#VU73595 Input validation error in Office Online Server and Microsoft Office Web Apps Server - CVE-2023-23396 

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Main Vulnerability Database Vulnerabilities #VU73595

#VU73595 Input validation error in Office Online Server and Microsoft Office Web Apps Server - CVE-2023-23396

Published: March 14, 2023


Vulnerability identifier: #VU73595
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-23396
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Office Online Server
Microsoft Office Web Apps Server
Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted XLSX file and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links