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CVE-2025-21271 | Microsoft Windows 10 21H2/10 22H2/10 1809/Server 2019/Server 2022 Cloud Files Mini Filter Driver buffer over-read
A vulnerability classified as critical was found in Microsoft Windows 10 1809/10 21H2/10 22H2/Server 2019/Server 2022. This vulnerability affects unknown code of the component Cloud Files Mini Filter Driver. The manipulation leads to buffer over-read. This vulnerability was named CVE-2025-21271. Attacking locally is a requirement. There is no exploit available. It is recommended to apply a patch to fix this issue.