CVE-2026-72989

EUVD-2026-73742
Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Windows Releases
Platform
Version
Windows 10
1809 (x64, x86)
KB5122876
Windows Server 2019
Server Core
KB5122876
Standard
KB5122876
Windows Server 2022
Server Core
KB5122882
Standard
KB5122882
Windows Server 2025
Server Core
KB5122871
Standard
KB5122871
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72989