CVE-2025-21251

Summary

CVE-2025-21237 is a remote code execution vulnerability affecting the Windows Telephony Service. Successful exploitation allows attackers to execute arbitrary code on the targeted system, potentially leading to significant data loss or unauthorized system access. The vulnerability is due to improper input validation in the service, enabling attackers to send specially crafted packets to trigger the issue. Microsoft has released a security update to mitigate this risk. It is strongly recommended that users install the patch as soon as possible to protect against potential attacks.

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