Main Vulnerability Database Vulnerabilities #VU84135

Input validation error in Microsoft Windows and Windows Server - CVE-2023-21740

Published: December 12, 2023

Vulnerability identifier: #VU84135

CSH Severity: High

CVSS v4 BT: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-21740

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Windows Media. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2023-21740

Install updates from vendor's website.

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21740

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