5.5
Medium
CVE-2026-44805 Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally
Description
Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.8880 | 10.0.17763.8880 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.8880 | 10.0.17763.8880 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.5256 | 10.0.20348.5256 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.32995 | 10.0.26100.32995 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.32995 | 10.0.26100.32995 |
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