CVE-2025-27471: Microsoft Streaming Service Denial of Service Vulnerability
First published: Tue Apr 08 2025(Updated: )
<p>Sensitive data storage in improperly locked memory in Microsoft Streaming Service allows an unauthorized attacker to deny service over a network.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Windows 11 | =23H2 | |
| Microsoft Windows Server | ||
| Windows 10 | =1607 | |
| Windows 10 | =22H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2019 | ||
| Windows 11 | =24H2 | |
| Windows 11 | =23H2 | |
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Microsoft Windows Server 2008 R2 | ||
| Windows 10 | =22H2 | |
| Windows 10 | =1607 | |
| Windows 10 | =21H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Windows 10 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server | ||
| Windows 11 | =24H2 | |
| Windows 11 | =22H2 | |
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2019 | ||
| Windows 11 | =22H2 | |
| Windows 10 | =21H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2016 | ||
| Windows 10 | =21H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server | ||
| Windows 10 | ||
| Windows 10 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-27471?
CVE-2025-27471 has been classified as a Denial of Service vulnerability in Microsoft Streaming Service.
How do I fix CVE-2025-27471?
To fix CVE-2025-27471, apply the relevant patches provided by Microsoft for your operating system version.
What systems are affected by CVE-2025-27471?
CVE-2025-27471 affects multiple versions of Windows including Windows 10, Windows 11, and various Windows Server editions.
What type of attack is possible with CVE-2025-27471?
CVE-2025-27471 allows an unauthorized attacker to cause a Denial of Service over a network.
When was CVE-2025-27471 disclosed?
CVE-2025-27471 was disclosed as part of Microsoft's security updates in 2025.
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- canonical/windows 11
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- canonical/microsoft windows server
- canonical/windows 10
- version/windows 10/1607
- version/windows 10/22h2
- canonical/microsoft windows server 2008 r2
- canonical/microsoft windows server 2022
- canonical/microsoft windows server 2016
- canonical/microsoft windows server 2012 r2
- canonical/microsoft windows server 2019
- version/windows 11/24h2
- version/windows 10/1809
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- canonical/microsoft windows server 2025
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- canonical/microsoft windows server 2022 23h2