CVE-2026-65789

EUVD-2026-56442
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 51.44%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10_1607
𝑥
< 10.0.14393.9418
microsoftwindows_10_1809
𝑥
< 10.0.17763.9121
microsoftwindows_server_2016
𝑥
< 10.0.14393.9418
microsoftwindows_server_2019
𝑥
< 10.0.17763.9121
microsoftwindows_server_2022
𝑥
< 10.0.20348.5440
microsoftwindows_server_2025
𝑥
< 10.0.26100.33222
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows Server 2016
Server Core
Standard
Windows Server 2019
Server Core
Standard
Windows Server 2022
Server Core
Standard
Windows Server 2025
Server Core
Standard