PT-2025-1143 · Microsoft · Brokering File System+1

Published 2025-01-14 · Updated 2025-01-22 · CVE-2025-21315

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:C/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 an elevation of privilege vulnerability in the Microsoft Brokering File System. It is associated with the possibility of using memory after it has been freed. Exploitation of this issue may allow an attacker to elevate their privileges.

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

LPE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-00422

CVE-2025-21315

Affected Products

Brokering File System

Windows

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21315 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21315 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21315 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21315 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-00422 · Security Note
• https://osv.dev/vulnerability/CVE-2025-21315 · Vendor Advisory
• https://vuldb.com/?id.291760 · Note