Vulnerability · NVD
CVE-2025-21266
HIGH 8.8
Windows Telephony Service Remote Code Execution Vulnerability
EPSS
1.65%
above median
percentile 82.4%
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows Fixed in Windows Server 2025 (Server Core installation) 10.0.26100.2894 Windows Server 2025 10.0.26100.2894 Windows Server 2022 (Server Core installation) 10.0.20348.3091 Windows Server 2022 10.0.25398.1369 Windows Server 2019 (Server Core installation) 10.0.17763.6775 Windows Server 2019 10.0.17763.6775 Windows Server 2016 (Server Core installation) 10.0.14393.7699 Windows Server 2016 10.0.14393.7699 Windows 11 24H2 · 2024-H2 10.0.26100.2894 Windows 11 23H2 · 2023-H2 10.0.22631.4751 Windows 11 22H2 · 2022-H2 10.0.22621.4751 Windows 10 22H2 · 2022-H2 10.0.19045.5371 Windows 10 21H2 · 2021-H2 10.0.19044.5371 Windows 10 1809 · 2018-09 10.0.17763.6775 Windows 10 1607 · 2016-07 10.0.14393.7699