PT-2025-6289 · Microsoft · Windows Resilient File System (Refs) Deduplication Service+1

Dongjun Kim + 3 · Published 2025-02-11 · Updated 2025-02-25 · CVE-2025-21182

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Windows Resilient File System (ReFS) Deduplication Service (affected versions not specified)

Description: The issue is related to an elevation of privilege vulnerability in the Windows Resilient File System (ReFS) Deduplication Service. It is caused by a memory reuse error, 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

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

BDU:2025-01528

CVE-2025-21182

Affected Products

Windows

Windows Resilient File System (Refs) Deduplication Service

References · 9

• https://osv.dev/vulnerability/CVE-2025-21182 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21182 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-21182 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21182 · Security Note
• https://bdu.fstec.ru/vul/2025-01528 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21182 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21182 · Vendor Advisory
• https://t.me/cvenotify/112428 · Telegram Post
• https://twitter.com/CVEnew/status/1889378134853820758 · Twitter Post