CVE-2025-21216: Internet Connection Sharing (ICS) Denial of Service Vulnerability
First published: Tue Feb 11 2025(Updated: )
Internet Connection Sharing (ICS) Denial of Service Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 11 | =24H2 | |
| =1607 | ||
| =1607 | ||
| =24H2 | ||
| =24H2 | ||
| =23H2 | ||
| =22H2 | ||
| =22H2 | ||
| =23H2 | ||
| =22H2 | ||
| =21H2 | ||
| =22H2 | ||
| =22H2 | ||
| =21H2 | ||
| =21H2 | ||
| =1809 | ||
| =1809 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21216?
The severity of CVE-2025-21216 is classified as a denial of service vulnerability affecting Internet Connection Sharing in Microsoft products.
How do I fix CVE-2025-21216?
To fix CVE-2025-21216, install the security updates provided by Microsoft for the affected products.
What products are affected by CVE-2025-21216?
CVE-2025-21216 affects multiple Microsoft products including various versions of Windows Server, Windows 10, and Windows 11.
What are the potential impacts of CVE-2025-21216?
Exploitation of CVE-2025-21216 could lead to a denial of service condition, disrupting Internet connectivity for affected systems.
Is there a patch available for CVE-2025-21216?
Yes, there are patches available for CVE-2025-21216, which can be found in the corresponding Microsoft security updates for the affected products.
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- vendor/microsoft
- canonical/microsoft windows server 2019
- canonical/microsoft windows 10
- version/microsoft windows 10/22h2
- canonical/microsoft windows 11
- version/microsoft windows 11/22h2
- canonical/microsoft windows server 2025
- version/microsoft windows 10/1809
- canonical/microsoft windows server 2022
- version/microsoft windows 10/21h2
- canonical/microsoft windows server 2016
- version/microsoft windows 11/24h2
- canonical/microsoft windows server 2022 23h2
- version/microsoft windows 11/23h2
- version/microsoft windows 10/1607