CVE-2025-49677

EUVD-2025-20639
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7 HIGH
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
7 HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_11_22h2
𝑥
< 10.0.22621.5624
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 11
22H2 (arm64, x64)
KB5062552
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49677