Use-after-free in Windows Server - CVE-2024-26223

 

Use-after-free in Windows Server - CVE-2024-26223

Published: April 9, 2024


Vulnerability identifier: #VU88248
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-26223
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Windows Server
Software vendor:
Microsoft

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when handling DNS queries. A remote user can send specially crafted DNS requests to the affected server and execute arbitrary code on the system, if the timing of DNS queries is perfect.


Remediation

Install updates from vendor's website.

External links