CVE-2025-21182

High

Description

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

SeverityHigh
CVSS7.4
Exploit probability—
ProductMicrosoft Windows
PublishedFeb 11, 2025
First seenFeb 11, 2025
Weakness typeCWE-415CWE-415

How to fix

Update
  • microsoft windows_11_24h210.0.26100.3107 or later
  • microsoft windows_server_202510.0.26100.3107 or later

Affected products

ProductAffected versionsFixed in
microsoft windows_11_24h2v < 10.0.26100.310710.0.26100.3107
microsoft windows_server_2025v < 10.0.26100.310710.0.26100.3107

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.