CVE-2025-21201: Windows Telephony Server Remote Code Execution Vulnerability
First published: Tue Feb 11 2025(Updated: )
Windows Telephony Server Remote Code Execution Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2019 | ||
| Windows 11 | =23H2 | |
| Windows 11 | =22H2 | |
| Windows 11 | =22H2 | |
| Windows 11 | =24H2 | |
| Windows 11 | =24H2 | |
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | <10.0.10240.20915 | |
| Microsoft Windows 10 | <10.0.10240.20915 | |
| Microsoft Windows 10 | <10.0.14393.7785 | |
| Microsoft Windows 10 | <10.0.14393.7785 | |
| Microsoft Windows 10 | <10.0.17763.6893 | |
| Microsoft Windows 10 | <10.0.17763.6893 | |
| Microsoft Windows 10 | <10.0.19044.5487 | |
| Microsoft Windows 10 | <10.0.19045.5487 | |
| Windows 11 | <10.0.22621.4890 | |
| Windows 11 | <10.0.22631.4890 | |
| Windows 11 | <10.0.26100.3194 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =r2-sp1 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server 2016 | <10.0.14393.7785 | |
| Microsoft Windows Server 2019 | <10.0.17763.6893 | |
| Microsoft Windows Server 2022 | <10.0.20348.3207 | |
| Microsoft Windows Server 2022 | <10.0.25398.1425 | |
| Microsoft Windows Server 2025 | <10.0.26100.3194 | |
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Windows 10 | =22H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =1607 | |
| Windows 10 | =1607 | |
| Windows 10 | =21H2 | |
| Windows 10 | =21H2 | |
| Windows 10 | =21H2 | |
| Windows 10 | ||
| Windows 10 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21201?
The severity of CVE-2025-21201 is critical due to its potential for remote code execution.
How do I fix CVE-2025-21201?
To fix CVE-2025-21201, apply the latest security patches provided by Microsoft for your affected Windows version.
Which systems are impacted by CVE-2025-21201?
CVE-2025-21201 affects multiple Microsoft products including Windows Server 2012 R2, Windows 11, and Windows Server 2019.
What are the potential risks of CVE-2025-21201?
The potential risks of CVE-2025-21201 include unauthorized remote code execution and compromise of the affected system.
Is there a workaround for CVE-2025-21201?
While immediate patching is recommended, potential workarounds might include limiting network access to affected systems.
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