Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-44805

Severity CVSS v4.0:
Pending analysis
Type:
CWE-416 Use After Free
Publication date:
09/06/2026
Last modified:
11/06/2026

Description

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

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* 10.0.17763.8880 (excluding)
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* 10.0.20348.5256 (excluding)
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* 10.0.26100.32995 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools