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CVE-2025-21303 | Microsoft Windows up to Server 2025 Telephony Service heap-based overflow
A vulnerability has been found in Microsoft Windows and classified as critical. This vulnerability affects unknown code of the component Telephony Service. The manipulation leads to heap-based buffer overflow. This vulnerability was named CVE-2025-21303. The attack can be initiated remotely. There is no exploit available. It is recommended to apply a patch to fix this issue.