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
CVSS v4: 8.6 [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]
CVE-ID: CVE-2024-26223
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Windows Server

How to mitigate CVE-2024-26223

Install updates from vendor's website.


External References

Related Security Bulletins