CVE-2026-44805 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	Windows Server 2019 Windows Server 2022 Windows Server 2025

No data.

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References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44805

History

Tue, 09 Jun 2026 17:15:00 +0000

Type	Values Removed	Values Added
Description		Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.
Title		Windows Network Controller (NC) Host Agent Denial of Service Vulnerability
First Time appeared		Microsoft Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025
Weaknesses		CWE-416 CWE-822
CPEs		cpe:2.3:o:microsoft:windows_server_2019:::::::: cpe:2.3:o:microsoft:windows_server_2022:::::::: cpe:2.3:o:microsoft:windows_server_2025::::::::
Vendors & Products		Microsoft Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44805
Metrics		cvssV3_1 `{'score': 5.5, 'vector': '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'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-06-09T17:06:18.727Z

Updated: 2026-06-09T17:49:52.867Z

Reserved: 2026-05-07T20:07:18.270Z

Link: CVE-2026-44805

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-06-09T17:17:16.480

Modified: 2026-06-09T17:17:16.480

Link: CVE-2026-44805

Redhat

No data.

OpenCVE Enrichment

No data.

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