PT-2025-1223 · Microsoft · Brokering File System+1

Published 2025-01-14 · Updated 2025-01-17 · CVE-2025-21372

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 use of memory after it has been freed, which can be exploited to 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:2025-00602

CVE-2025-21372

Affected Products

Brokering File System

Windows

References · 6

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21372 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21372 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-00602 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21372 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21372 · Security Note
• https://osv.dev/vulnerability/CVE-2025-21372 · Vendor Advisory