PT-2026-47922 · Microsoft · Windows Server 2019+2

Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-44805

Mitre

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Fix

Use After Free

Untrusted Pointer Dereference

Weakness Enumeration

CWE-416

CWE-822

Related Identifiers

CVE-2026-44805

Affected Products

Windows Server 2019

Windows Server 2022

Windows Server 2025

References · 2

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44805 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-44805 · Security Note