CVE-2025-29966: Remote Desktop Client Remote Code Execution Vulnerability
First published: Tue May 13 2025(Updated: )
<p>Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Windows 10 | =22H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server | ||
| Windows 11 | =22H2 | |
| Windows 10 | =22H2 | |
| Microsoft Windows Server 2019 | ||
| Windows 10 | =1607 | |
| Windows 10 | ||
| Windows 11 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Windows 10 | =22H2 | |
| Windows 10 | =1607 | |
| Windows 11 | =23H2 | |
| Windows 10 | =21H2 | |
| Windows 11 | =24H2 | |
| Windows 10 | =21H2 | |
| Microsoft Windows Server 2019 | ||
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Microsoft Windows App Client | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2025 | ||
| Windows 11 | =24H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server | ||
| Windows 10 | =21H2 | |
| Windows 10 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows App Client for Windows Desktop |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-29966?
CVE-2025-29966 has been classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2025-29966?
To fix CVE-2025-29966, ensure that your affected Microsoft products are updated with the latest security patches provided.
What products are affected by CVE-2025-29966?
CVE-2025-29966 affects various versions of Windows and Windows Server, including Windows 10, 11, and Windows Server 2022.
What type of attack does CVE-2025-29966 enable?
CVE-2025-29966 allows an unauthorized attacker to execute arbitrary code over a network using a heap-based buffer overflow.
Is there a workaround for CVE-2025-29966 if I cannot apply the patch immediately?
Temporary workarounds for CVE-2025-29966 may include disabling the Remote Desktop feature or limiting access to affected systems.
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- canonical/windows 10
- version/windows 10/22h2
- canonical/microsoft windows server 2022
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- canonical/windows 11
- version/windows 11/22h2
- canonical/microsoft windows server 2019
- version/windows 10/1607
- canonical/microsoft windows server 2025
- version/windows 11/23h2
- version/windows 10/21h2
- version/windows 11/24h2
- version/windows 10/1809
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- canonical/microsoft windows server 2012 r2
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- canonical/microsoft windows server 2008 r2
- canonical/microsoft windows server 2016
- canonical/microsoft windows app client for windows desktop