CVE-2026-44805 — MEDIUM (5.5)

Q: What is CVE-2026-44805?

CVE-2026-44805 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.

Q: How severe is CVE-2026-44805?

CVE-2026-44805 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-44805?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025.

Vulnerability Description

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

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows Server 2019	< 10.0.17763.8880
Microsoft	Windows Server 2022	< 10.0.20348.5256
Microsoft	Windows Server 2025	< 10.0.26100.32995

Related Weaknesses (CWE)

CWE-822 CWE-416

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44805Vendor Advisory

FAQ

What is CVE-2026-44805?

CVE-2026-44805 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.

How severe is CVE-2026-44805?

CVE-2026-44805 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-44805?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025.