CVE-2025-21230: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
First published: Tue Jan 14 2025(Updated: )
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2019 | ||
| Windows 11 | =23H2 | |
| Windows 11 | =22H2 | |
| Windows 11 | =22H2 | |
| Windows 11 | =24H2 | |
| Windows 11 | =24H2 | |
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | <10.0.10240.20890 | |
| Microsoft Windows 10 | <10.0.10240.20890 | |
| Microsoft Windows 10 | <10.0.14393.7699 | |
| Microsoft Windows 10 | <10.0.14393.7699 | |
| Microsoft Windows 10 | <10.0.17763.6775 | |
| Microsoft Windows 10 | <10.0.17763.6775 | |
| Microsoft Windows 10 | <10.0.19044.5371 | |
| Microsoft Windows 10 | <10.0.19045.5371 | |
| Windows 11 | <10.0.22621.4751 | |
| Windows 11 | <10.0.22631.4751 | |
| Windows 11 | <10.0.26100.2894 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =r2-sp1 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | =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 | <10.0.25398.1369 | |
| Microsoft Windows Server 2025 | <10.0.26100.2894 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | ||
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Windows 10 | =22H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =1607 | |
| Windows 10 | =1607 | |
| Windows 10 | =21H2 | |
| Windows 10 | =21H2 | |
| Windows 10 | =21H2 | |
| Windows 10 | ||
| Windows 10 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21230?
The severity of CVE-2025-21230 is classified as a Denial of Service vulnerability.
How do I fix CVE-2025-21230?
To fix CVE-2025-21230, apply the appropriate security patches provided by Microsoft for your affected Windows version.
Which software versions are vulnerable to CVE-2025-21230?
CVE-2025-21230 affects various versions of Microsoft Windows, including Windows 10, Windows 11, and Windows Server 2019.
What are the potential impacts of CVE-2025-21230?
Exploitation of CVE-2025-21230 can lead to a denial of service condition, affecting the availability of services using Microsoft Message Queuing.
Is there a workaround for CVE-2025-21230 until a patch is available?
Currently, it is recommended to apply the provided security patches as there are no reliable workarounds for CVE-2025-21230.
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