CVE-2025-21182
HIGHCVSS 7.4/10EPSS 0.50%
Last modified
CVE-2025-21182 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
Description
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Metrics
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 24h2 | < 10.0.26100.3107 |
| Microsoft | Windows Server 2025 | < 10.0.26100.3107 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21182Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-21182?
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
How severe is CVE-2025-21182?
CVE-2025-21182 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2025-21182?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-21177Server-side request forgery (ssrf) in Microsoft Dynamics 365…8.8
- CVE-2025-21178Visual Studio Remote Code Execution Vulnerability8.8
- CVE-2025-21179DHCP Client Service Denial of Service Vulnerability4.8
- CVE-2025-2118A vulnerability was found in Quantico Tecnologia PRMV 6.48. …7.3
- CVE-2025-21180Heap-based buffer overflow in Windows exFAT File System allo…7.8
- CVE-2025-21181Microsoft Message Queuing (MSMQ) Denial of Service Vulnerabi…7.5
- CVE-2025-21183Windows Resilient File System (ReFS) Deduplication Service E…7.4
- CVE-2025-21184Windows Core Messaging Elevation of Privileges Vulnerability7
- CVE-2025-21185Microsoft Edge (Chromium-based) Elevation of Privilege Vulne…6.5
- CVE-2025-21186Microsoft Access Remote Code Execution Vulnerability7.8
- CVE-2025-21187Microsoft Power Automate Remote Code Execution Vulnerability7.8
- CVE-2025-21188Azure Network Watcher VM Extension Elevation of Privilege Vu…6
Are you affected by CVE-2025-21182?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST