Use-after-free in Windows Server - CVE-2026-44805
Published: June 11, 2026
Vulnerability identifier: #VU134326
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-44805
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows Server
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Windows Network Controller (NC) Host Agent. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2026-44805
Install updates from vendor's website.