CVE-2025-21371: 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 10 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2016 | ||
| =1607 | ||
| =1607 | ||
| =24H2 | ||
| =24H2 | ||
| =23H2 | ||
| =23H2 | ||
| =22H2 | ||
| =22H2 | ||
| =22H2 | ||
| =22H2 | ||
| =21H2 | ||
| =21H2 | ||
| =22H2 | ||
| =21H2 | ||
| =1809 | ||
| =1809 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21371?
CVE-2025-21371 has been rated as critical due to its potential to allow remote code execution.
How do I fix CVE-2025-21371?
To fix CVE-2025-21371, apply the relevant security patches provided by Microsoft for your affected Windows version.
What systems are affected by CVE-2025-21371?
CVE-2025-21371 affects multiple Microsoft Windows products including Windows 10, Windows 11, Windows Server 2022, and others.
Is CVE-2025-21371 exploitable remotely?
Yes, CVE-2025-21371 is an exploit that can be triggered remotely by attackers.
What types of attacks can CVE-2025-21371 facilitate?
CVE-2025-21371 can facilitate remote code execution attacks, allowing attackers to execute arbitrary code on affected systems.
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- canonical/microsoft windows 10
- canonical/microsoft windows server 2012 r2
- version/microsoft windows 10/22h2
- canonical/microsoft windows server 2025
- canonical/microsoft windows server 2022 23h2
- canonical/microsoft windows server 2008 itanium
- canonical/microsoft windows 11
- version/microsoft windows 11/23h2
- version/microsoft windows 11/22h2
- canonical/microsoft windows server 2012 x64
- version/microsoft windows 10/21h2
- version/microsoft windows 11/24h2
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- version/microsoft windows 10/1607
- canonical/microsoft windows server 2016