CVE-2026-44805

Name: CVE-2026-44805
Creator: NVD / NIST
Published: 2026-06-09T17:17:16.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2026-44805 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.36%

27.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

References

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

Timeline

Published: Jun 9, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-44805?

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 a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2026-44805?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-44805?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST