CVE-2025-49677

Microsoft Brokering File System Elevation of Privilege Vulnerability

Published Jul 8, 2025 CVSS 3.1 · 7 High EPSS 1.1% KEV · Not listed
Description
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-20639 Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
History
Type Values Removed Values Added
First Time appeared Microsoft windows 11 22h2
CPEs cpe:2.3:o:microsoft:windows_11_22H2:*:*:*:*:*:*:arm64:*
Vendors & Products Microsoft windows 11 22h2
Type Values Removed Values Added
Metrics epss

{'score': 0.00045}

epss

{'score': 0.00033}

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows 11 22h2
CPEs cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 22h2
Type Values Removed Values Added
Metrics epss

{'score': 0.0004}

epss

{'score': 0.00045}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
Title Microsoft Brokering File System Elevation of Privilege Vulnerability
Weaknesses CWE-416
References
Metrics cvssV3_1

{'score': 7, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Feb 13, 2026, 7:06 PM
Reserved
Jun 9, 2025, 5:28 PM
Status
Analyzed
Published
Jul 8, 2025, 5:15 PM
Modified
Jun 17, 2026, 9:31 AM