CVE-2025-59189

EUVD-2025-34302
Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.4 HIGH
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
7.4 HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_11_24h2
𝑥
< 10.0.26100.6899
microsoftwindows_11_25h2
𝑥
< 10.0.26200.6899
microsoftwindows_server_2025
𝑥
≤ 10.0.26100.6899
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 11
24H2 (arm64, x64)
KB5066835
25H2 (arm64, x64)
KB5066835
Windows Server 2025
Server Core
KB5066835
Standard
KB5066835
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59189