CVE-2025-59260

EUVD-2025-34273
Exposure of sensitive information to an unauthorized actor in Microsoft Failover Cluster Virtual Driver allows an authorized attacker to disclose information locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
microsoftCNA
5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 30%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_server_2016
𝑥
≤ 10.0.14393.8519
microsoftwindows_server_2019
𝑥
< 10.0.17763.7919
microsoftwindows_server_2022
𝑥
< 10.0.20348.4294
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.1913
microsoftwindows_server_2025
𝑥
≤ 10.0.26100.6899
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows Server 2016
Server Core
KB5066836
Standard
KB5066836
Windows Server 2019
Server Core
KB5066586
Standard
KB5066586
Windows Server 2022
23H2 Server Core
KB5066780
Server Core
KB5066782
Standard
KB5066782
Windows Server 2025
Server Core
KB5066835
Standard
KB5066835
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59260