CVE-2026-83780

EUVD-2026-99364
Use after free in Windows CCFFilter Driver allows an unauthorized attacker to execute code over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 60.65%
Windows Releases
Platform
Version
Windows 10
1607 (x64, x86)
1809 (x64, x86)
Windows Server 2016
Server Core
Standard
Windows Server 2019
Server Core
Standard
Windows Server 2022
Server Core
Standard
Windows Server 2025
Server Core
Standard