CVE-2025-55680
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-10-14
Last updated on: 2025-10-24
Assigner: Microsoft Corporation
Description
Description
Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_10_1809 | to 10.0.17763.7919 (exc) |
| microsoft | windows_10_21h2 | to 10.0.19044.6456 (exc) |
| microsoft | windows_10_22h2 | to 10.0.19045.6456 (exc) |
| microsoft | windows_11_22h2 | to 10.0.22621.6060 (exc) |
| microsoft | windows_11_23h2 | to 10.0.22631.6060 (exc) |
| microsoft | windows_11_24h2 | to 10.0.26100.6899 (exc) |
| microsoft | windows_11_25h2 | to 10.0.26200.6899 (exc) |
| microsoft | windows_server_2019 | to 10.0.17763.7919 (exc) |
| microsoft | windows_server_2022 | to 10.0.20348.4294 (exc) |
| microsoft | windows_server_2022_23h2 | to 10.0.25398.1913 (exc) |
| microsoft | windows_server_2025 | to 10.0.26100.6899 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-367 | The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a time-of-check time-of-use (TOCTOU) race condition in the Windows Cloud Files Mini Filter Driver. It allows an authorized attacker to locally elevate their privileges by exploiting the timing issue between checking and using a resource.
How can this vulnerability impact me? :
An attacker who is already authorized on the system could exploit this vulnerability to gain higher privileges, potentially allowing them to execute unauthorized actions, access sensitive data, or compromise system integrity.
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