CVE-2025-21278: Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability
First published: Tue Jan 14 2025(Updated: )
Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2012 x64 | ||
| 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 2012 x64 | ||
| Microsoft Windows Server 2012 x64 | =r2 | |
| 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 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21278?
CVE-2025-21278 is categorized as a Denial of Service vulnerability affecting Windows Remote Desktop Gateway.
How do I fix CVE-2025-21278?
To fix CVE-2025-21278, apply the recommended patches or updates provided by Microsoft for the affected Windows versions.
Which products are affected by CVE-2025-21278?
CVE-2025-21278 affects multiple Microsoft products, including Windows 10, Windows 11, Windows Server 2012 R2, and Windows Server 2016.
Is there a workaround for CVE-2025-21278?
Currently, the recommended solution for CVE-2025-21278 is to apply the appropriate security updates, as no workarounds have been provided.
What type of attacks can exploit CVE-2025-21278?
Exploitation of CVE-2025-21278 could potentially lead to a denial of service attack, affecting the availability of the Remote Desktop Gateway service.
- collector/msrc-cve
- source/Microsoft
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- vendor/microsoft
- canonical/microsoft windows server 2012 r2
- canonical/microsoft windows 11
- version/microsoft windows 11/22h2
- canonical/microsoft windows 10
- version/microsoft windows 10/22h2
- canonical/microsoft windows server 2016
- version/microsoft windows 11/23h2
- version/microsoft windows 10/1809
- canonical/microsoft windows server 2019
- version/microsoft windows 10/1607
- canonical/microsoft windows server 2025
- version/microsoft windows 10/21h2
- canonical/microsoft windows server 2022
- version/microsoft windows 11/24h2
- canonical/microsoft windows server 2012 x64
- 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
- version/microsoft windows server 2012 x64/r2