Use-after-free in Windows Server - CVE-2026-72928
Published: September 9, 2026
Vulnerability identifier: #VU148079
CSH Severity: Low
CVSS v4: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-72928
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to use-after-free in Windows DNS when handling network requests. A remote user can win a race condition to execute arbitrary code.
Successful exploitation requires winning a race condition.
Affected software
Windows Server
How to mitigate CVE-2026-72928
Install security update from vendor's website.
Windows Server - update to 2025 10.0.26100.33438