CVE-2026-44805
Windows Network Controller (NC) Host Agent Denial of Service Vulnerability
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.
| Vendor | microsoft |
| Product | windows server 2019 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jun 9, 2026 |
| Last Updated | Jun 9, 2026 |
Stay Ahead of the Next One
Get instant alerts for microsoft windows server 2019
Be the first to know when new medium vulnerabilities affecting microsoft windows server 2019 are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
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