CVE-2025-62456
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-12-09
Last updated on: 2025-12-12
Assigner: Microsoft Corporation
Description
Description
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_11_23h2 | to 10.0.22631.6345 (inc) |
| microsoft | windows_server_2022_23h2 | to 10.0.25398.2025 (inc) |
| microsoft | windows_11_24h2 | to 10.0.26100.7392 (inc) |
| microsoft | windows_11_25h2 | to 10.0.26200.7392 (inc) |
| microsoft | windows_server_2025 | to 10.0.26100.7392 (inc) |
| microsoft | windows | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a heap-based buffer overflow in the Windows Resilient File System (ReFS) that allows an authorized attacker to execute code remotely over a network.
How can this vulnerability impact me? :
An attacker who is authorized and can access the network could exploit this vulnerability to execute arbitrary code, potentially leading to full system compromise, data corruption, or denial of service.
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