CVE-2025-21248: Windows Telephony Service Remote Code Execution Vulnerability
First published: Tue Jan 14 2025(Updated: )
Windows Telephony Service Remote Code Execution Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows 10 1507 | <10.0.10240.20890 | |
| Microsoft Windows 10 1507 | <10.0.10240.20890 | |
| Microsoft Windows 10 Version 1607 x86 | <10.0.14393.7699 | |
| Microsoft Windows 10 Version 1607 x86 | <10.0.14393.7699 | |
| Microsoft Windows 10 1809 | <10.0.17763.6775 | |
| Microsoft Windows 10 1809 | <10.0.17763.6775 | |
| Microsoft Windows 10 21h2 | <10.0.19044.5371 | |
| Microsoft Windows 10 22h2 | <10.0.19045.5371 | |
| Microsoft Windows 11 22h2 | <10.0.22621.4751 | |
| Microsoft Windows 11 23h2 | <10.0.22631.4751 | |
| Microsoft Windows 11 Home Edition | <10.0.26100.2894 | |
| Microsoft Windows Server 2016 | <10.0.14393.7699 | |
| Microsoft Windows Server 2019 | <10.0.17763.6775 | |
| Microsoft Windows Server 2022 | <10.0.20348.3091 | |
| Microsoft Windows Server 2022 23H2 | <10.0.25398.1369 | |
| Microsoft Windows Server 2025 | <10.0.26100.2894 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21248?
CVE-2025-21248 has a severity rating that indicates it allows remote code execution, potentially leading to significant security risks.
How do I fix CVE-2025-21248?
To fix CVE-2025-21248, apply the available patches corresponding to your affected Microsoft Windows product.
What products are affected by CVE-2025-21248?
CVE-2025-21248 affects several Microsoft Windows products, including Windows 10, Windows 11, and Windows Server editions.
What is the potential impact of CVE-2025-21248?
The potential impact of CVE-2025-21248 includes unauthorized access and execution of malicious code on affected systems.
Are there workarounds available for CVE-2025-21248?
Currently, the best mitigation for CVE-2025-21248 is to apply the security updates provided by Microsoft for the affected software.
- agent/references
- agent/title
- agent/type
- collector/msrc-cve
- source/Microsoft
- agent/software-canonical-lookup
- agent/description
- agent/first-publish-date
- collector/msrc
- agent/author
- agent/severity
- agent/weakness
- agent/event
- agent/source
- collector/epss-latest
- source/FIRST
- agent/epss
- agent/remedy
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- source/NVD
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- vendor/microsoft
- canonical/microsoft windows server 2019
- canonical/microsoft windows 11
- version/microsoft windows 11/23h2
- canonical/microsoft windows 10
- version/microsoft windows 10/21h2
- canonical/microsoft windows server 2025
- version/microsoft windows 11/24h2
- version/microsoft windows 10/22h2
- canonical/microsoft windows server 2016
- version/microsoft windows 11/22h2
- version/microsoft windows 10/1809
- canonical/microsoft windows server 2022
- version/microsoft windows 10/1607
- canonical/microsoft windows server 2022 23h2
- canonical/microsoft windows 10 1507
- canonical/microsoft windows 10 version 1607 x86
- canonical/microsoft windows 10 1809
- canonical/microsoft windows 10 21h2
- canonical/microsoft windows 10 22h2
- canonical/microsoft windows 11 22h2
- canonical/microsoft windows 11 23h2
- canonical/microsoft windows 11 home edition