CVE-2025-21222

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CVSS 3.1

8.8 high

EPSS

1%p70

Published

Apr 8, 2025 (Apr 8, 2025)

Modified

Jun 17, 2026

Description

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

Vendors: microsoft
Products: 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
Weakness: CWE-122
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.3%)

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