CVE-2025-21200: Windows Telephony Service Remote Code Execution Vulnerability
First published: Tue Feb 11 2025(Updated: )
Windows Telephony Service Remote Code Execution Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21200?
CVE-2025-21200 is classified as a critical severity remote code execution vulnerability affecting multiple Microsoft Windows products.
How do I fix CVE-2025-21200?
To fix CVE-2025-21200, apply the recommended security patches provided by Microsoft for your specific Windows product.
Which versions of Windows are affected by CVE-2025-21200?
CVE-2025-21200 affects various versions of Microsoft Windows including Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, and others.
Can CVE-2025-21200 be exploited remotely?
Yes, CVE-2025-21200 can be exploited remotely, allowing attackers to execute arbitrary code on vulnerable systems.
What should I do if I can't apply the patch for CVE-2025-21200 immediately?
If you cannot apply the patch for CVE-2025-21200 immediately, ensure your systems are fully firewalled and monitor for unusual activity.
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- vendor/microsoft
- canonical/microsoft windows server 2016
- canonical/microsoft windows server 2019
- canonical/microsoft windows 11
- version/microsoft windows 11/23h2
- canonical/microsoft windows server 2008 itanium
- canonical/microsoft windows 10
- version/microsoft windows 10/1607
- version/microsoft windows 11/22h2
- canonical/microsoft windows server 2025
- canonical/microsoft windows server 2008 r2
- version/microsoft windows 10/1809
- canonical/microsoft windows server 2012 x64
- canonical/microsoft windows server 2022
- version/microsoft windows 11/24h2
- canonical/microsoft windows server 2012 r2
- canonical/microsoft windows server 2022 23h2
- version/microsoft windows 10/21h2
- version/microsoft windows 10/22h2