CVE-2025-49677 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Windows 11 22h2

Configuration 1 [-]

cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49677

History

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00045}`	epss `{'score': 0.00033}`

Tue, 15 Jul 2025 17:30:00 +0000

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

Mon, 14 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.0004}`	epss `{'score': 0.00045}`

Tue, 08 Jul 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 08 Jul 2025 17:15:00 +0000

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		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49677
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'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-07-08T16:57:13.262Z

Updated: 2025-08-23T00:39:33.006Z

Reserved: 2025-06-09T17:28:52.664Z

Link: CVE-2025-49677

Vulnrichment

Updated: 2025-07-08T19:22:15.286Z

NVD

Status : Analyzed

Published: 2025-07-08T17:15:52.257

Modified: 2025-07-15T17:16:51.970

Link: CVE-2025-49677

Redhat

No data.

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