vulnerability
Microsoft Windows: CVE-2025-21221: Windows Telephony Service Remote Code Execution Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Apr 8, 2025 | Apr 8, 2025 | Sep 9, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Apr 8, 2025
Added
Apr 8, 2025
Modified
Sep 9, 2025
Description
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
Solutions
microsoft-windows-windows_10-1507-kb5055547microsoft-windows-windows_10-1607-kb5055521microsoft-windows-windows_10-1809-kb5055519microsoft-windows-windows_10-21h2-kb5055518microsoft-windows-windows_10-22h2-kb5055518microsoft-windows-windows_11-22h2-kb5055528microsoft-windows-windows_11-23h2-kb5055528microsoft-windows-windows_11-24h2-kb5055523microsoft-windows-windows_server_2012-kb5055581microsoft-windows-windows_server_2012_r2-kb5055557microsoft-windows-windows_server_2016-1607-kb5055521microsoft-windows-windows_server_2019-1809-kb5055519microsoft-windows-windows_server_2022-21h2-kb5055526microsoft-windows-windows_server_2022-22h2-kb5055526microsoft-windows-windows_server_2022-23h2-kb5055527microsoft-windows-windows_server_2025-24h2-kb5055523
References
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