CVE-2025-21376: Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
First published: Tue Feb 11 2025(Updated: )
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =22H2 | |
| =24H2 | ||
| =24H2 | ||
| =23H2 | ||
| =23H2 | ||
| =22H2 | ||
| =22H2 | ||
| =22H2 | ||
| =22H2 |
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Reference Links
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21376 (Advisory)
- https://www.darkreading.com/application-security/microsofts-february-patch-lighter-lift-januarys
- https://www.zdnet.com/article/dont-ignore-microsofts-february-patch-tuesday-its-a-big-one-for-all-windows-11-users/
- https://www.theregister.com/2025/02/12/patch_tuesday_february_2025/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2025-21376?
CVE-2025-21376 has been rated as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2025-21376?
To fix CVE-2025-21376, ensure you apply the latest security patches provided by Microsoft for the affected Windows products.
Which Windows versions are affected by CVE-2025-21376?
CVE-2025-21376 affects multiple versions of Windows including Windows Server 2025, Windows 11, and various versions of Windows Server 2012, 2019, and 2022.
Can CVE-2025-21376 be exploited remotely?
Yes, CVE-2025-21376 can be exploited remotely, allowing attackers to execute arbitrary code on the affected systems.
What types of attacks can CVE-2025-21376 enable?
CVE-2025-21376 can enable a range of attacks including unauthorized access, data breaches, and complete system control.
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