Use-after-free in Windows Server - CVE-2024-26227
Published: April 9, 2024
Vulnerability identifier: #VU88238
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-2024-26227
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-2024-26227
Install updates from vendor's website.