CVE-2025-21246 | Microsoft Windows up to Server 2025 Telephony Service heap-based overflow (Nessus ID 214136)
A vulnerability classified as critical was found in Microsoft Windows. This vulnerability affects unknown code of the component Telephony Service. The manipulation leads to heap-based buffer overflow.
This vulnerability was named CVE-2025-21246. The attack can be initiated remotely. There is no exploit available.
It is recommended to apply a patch to fix this issue.