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CVE-2025-21276 | Microsoft Windows up to Server 2025 MapUrlToZone integer underflow
A vulnerability was found in Microsoft Windows. It has been classified as critical. This affects an unknown part of the component MapUrlToZone. The manipulation leads to integer underflow. This vulnerability is uniquely identified as CVE-2025-21276. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to apply a patch to fix this issue.