PT-2025-28575 · Microsoft · Brokering File System+1

Chenjian · Published 2025-07-08 · Updated 2025-07-09 · CVE-2025-49677

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Microsoft Brokering File System (affected versions not specified)

Description: The issue is related to a use after free condition in the Microsoft Brokering File System, which allows an authorized attacker to elevate privileges locally. This can potentially lead to increased access and control over the system.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-08297

CVE-2025-49677

Affected Products

Brokering File System

Windows

References · 8

• 🔥 https://exploit-db.com/exploits/52360 · Exploit
• https://osv.dev/vulnerability/CVE-2025-49677 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-49677 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49677 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-49677 · Security Note
• https://bdu.fstec.ru/vul/2025-08297 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-49677 · Security Note
• https://twitter.com/CVEnew/status/1942958472753992080 · Twitter Post