CVE-2025-26670: Lightweight Directory Access Protocol (LDAP) Client Remote Code Execution Vulnerability
First published: Tue Apr 08 2025(Updated: )
<p>Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Windows 10 | =21H2 | |
| Windows 11 | =22H2 | |
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Windows 11 | =24H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Windows 10 | =22H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =1809 | |
| Microsoft Windows Server 2025 | ||
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2016 | ||
| Windows 10 | =1607 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2025 | ||
| Windows 10 | =1607 | |
| Windows 10 | =1809 | |
| Windows 11 | =24H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Windows 10 | =22H2 | |
| Windows 10 | =21H2 | |
| Windows 10 | =21H2 | |
| Windows 11 | =22H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2016 | ||
| Windows 10 | ||
| Windows 10 |
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Reference Links
Peer vulnerabilities
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Frequently Asked Questions
What is the severity of CVE-2025-26670?
CVE-2025-26670 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2025-26670?
To fix CVE-2025-26670, apply the latest security patches provided by Microsoft for your affected version of Windows.
What products are affected by CVE-2025-26670?
CVE-2025-26670 affects various versions of Windows including Windows 10, Windows 11, and several editions of Windows Server.
Can CVE-2025-26670 be exploited remotely?
Yes, CVE-2025-26670 allows an unauthorized attacker to execute code over a network, making it a remote exploitation risk.
What is a use after free vulnerability in the context of CVE-2025-26670?
A use after free vulnerability like CVE-2025-26670 occurs when a program continues to use a memory reference after it has been freed, potentially allowing an attacker to control application behavior.
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- alias/CVE-2025-27480
- alias/CVE-2025-27482
- alias/CVE-2024-21969
- alias/CVE-2024-0179
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- alias/CVE-2023-4969
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