CVE-2026-44805 | BDVDB-2026-339063 Detail

MicrosoftWindows Server 2019

Description#

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

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: local.

No public exploit known

5.5 Medium

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 29.7.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Memory Corruption

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

5.5 Medium

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

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).