CVE-2025-26668: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
First published: Tue Apr 08 2025(Updated: )
<p>Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2019 | ||
| Windows 10 | =21H2 | |
| Microsoft Windows Server 2022 | ||
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2022 | ||
| Windows 11 | =24H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =1809 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Windows 10 | =1607 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2025 | ||
| Windows 10 | =1607 | |
| Microsoft Windows Server 2016 | ||
| Windows 11 | =22H2 | |
| Windows 10 | =21H2 | |
| Windows 11 | =23H2 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2008 R2 | ||
| Windows 10 | =22H2 | |
| Windows 11 | =22H2 | |
| Microsoft Windows Server | ||
| Windows 10 | =22H2 | |
| Windows 10 | =21H2 | |
| Windows 11 | =24H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server | ||
| Windows 10 | =1809 | |
| Microsoft Windows Server | ||
| Windows 10 | ||
| Windows 10 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-26668?
CVE-2025-26668 has a critical severity level due to its potential for enabling unauthorized code execution.
How do I fix CVE-2025-26668?
To fix CVE-2025-26668, apply the relevant patches provided by Microsoft for the affected software versions.
Which software is affected by CVE-2025-26668?
CVE-2025-26668 affects multiple Microsoft products including Windows Server 2019, Windows Server 2022, and various versions of Windows 10 and Windows 11.
What type of vulnerability is CVE-2025-26668?
CVE-2025-26668 is classified as a heap-based buffer overflow vulnerability.
Can CVE-2025-26668 be exploited remotely?
Yes, CVE-2025-26668 can be exploited remotely by an unauthorized attacker to execute arbitrary code.
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- canonical/microsoft windows server 2019
- canonical/windows 10
- version/windows 10/21h2
- canonical/microsoft windows server 2022
- canonical/windows 11
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- version/windows 11/24h2
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- canonical/microsoft windows server
- version/windows 10/1809
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- version/windows 10/1607
- canonical/microsoft windows server 2012 r2
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- canonical/microsoft windows server 2025
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- canonical/microsoft windows server 2008 r2