Use-after-free in Windows Server - CVE-2024-26221
Published: April 9, 2024
Vulnerability identifier: #VU88245
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-2024-26221
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows Server
Windows Server
Software vendor:
Microsoft
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.