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CVE-2025-21223 | Microsoft Windows up to Server 2025 Telephony Service heap-based overflow
A vulnerability was found in Microsoft Windows and classified as critical. This issue affects some unknown processing of the component Telephony Service. The manipulation leads to heap-based buffer overflow. The identification of this vulnerability is CVE-2025-21223. The attack may be initiated remotely. There is no exploit available. It is recommended to apply a patch to fix this issue.