CVE-2026-44805

MEDIUM

Windows Network Controller (NC) Host Agent Denial of Service Vulnerability

Title source: cna
STIX 2.1

Description

Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Network Controller (NC) Host Agent Denial of Service Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44805

Scores

CVSS v3 5.5
EPSS 0.0033
EPSS Percentile 24.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416 CWE-822
Status published
Products (8)
Microsoft/Windows Server 2019 10.0.17763.0 - 10.0.17763.8880
Microsoft/Windows Server 2019 (Server Core installation) 10.0.17763.0 - 10.0.17763.8880
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.5256
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.32995
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.32995
microsoft/windows_server_2019 < 10.0.17763.8880
microsoft/windows_server_2022 < 10.0.20348.5256
microsoft/windows_server_2025 < 10.0.26100.32995
Published Jun 09, 2026
Tracked Since Jun 09, 2026