Vulnerability details

CVE-2025-49677

Microsoft Windows 11

Microsoft Brokering File System Elevation of Privilege Vulnerability

CVSS 3.1
7.0High

Official description

Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

CVSS scores

ScoreVersionSourceVector
7.0High 3.1 CVEProject cvelistV5 (CNA) (microsoft) 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

Affected products

VendorProductVersionsSource
Microsoft Windows 11 version 22H2 10.0.22621.0 ≤ v < 10.0.22621.5624 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2025-07-08
Last updated
2026-02-13
State
Published
Assigner (CNA)
microsoft

Exploit prediction (EPSS)

1.11%
Probability of exploitation in 30 days
66.2%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-416
    Use After Free