CVE-2025-21244

Summary

CVE-2025-21244 is a remote code execution vulnerability affecting the Windows Telephony Service. Malicious actors can exploit this vulnerability by sending a specially crafted RTP (Real-time Transport Protocol) packet to a targeted system, resulting in arbitrary code execution. Successful exploitation could allow attackers to install programs, view, change, or delete data, or create new accounts with full user rights. Microsoft has released a security update to address this issue, and it is recommended that affected systems be promptly patched to mitigate the risk.

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