Description

Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.

INFO

Published Date :

2025-04-08T17:23:39.315Z

Last Modified :

2025-06-04T17:52:52.836Z

Source :

microsoft
AFFECTED PRODUCTS

The following products are affected by CVE-2025-21221 vulnerability.

Vendors Products
Microsoft
  • Windows 10 1507
  • Windows 10 1607
  • Windows 10 1809
  • Windows 10 21h2
  • Windows 10 22h2
  • Windows 11 22h2
  • Windows 11 23h2
  • Windows 11 24h2
  • Windows Server 2008
  • Windows Server 2012
  • Windows Server 2016
  • Windows Server 2019
  • Windows Server 2022
  • Windows Server 2022 23h2
  • Windows Server 2025
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-21221.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21221 cve-icon cve-icon
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CVSS Vulnerability Scoring System

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