CVE-2025-21376
published 2025-02-11CVE-2025-21376: Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
PriorityP359high8.1CVSS 3.1
AVNACHPRNUINSUCHIHAH
EPSS
8.93%
94.7th percentile
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
Affected
47 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.20915 | 10.0.10240.20915 |
| microsoft | windows_10_1607 | < 10.0.14393.7785 | 10.0.14393.7785 |
| microsoft | windows_10_1809 | < 10.0.17763.6893 | 10.0.17763.6893 |
| microsoft | windows_10_21h2 | < 10.0.19044.5487 | 10.0.19044.5487 |
| microsoft | windows_10_22h2 | < 10.0.19045.5487 | 10.0.19045.5487 |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.20915 | 10.0.10240.20915 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.7785 | 10.0.14393.7785 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.6893 | 10.0.17763.6893 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.5487 | 10.0.19044.5487 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.5487 | 10.0.19045.5487 |
| microsoft | windows_11_22h2 | < 10.0.22621.4890 | 10.0.22621.4890 |
| microsoft | windows_11_23h2 | < 10.0.22631.4890 | 10.0.22631.4890 |
| microsoft | windows_11_24h2 | < 10.0.26100.3194 | 10.0.26100.3194 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.4890 | 10.0.22621.4890 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.4890 | 10.0.22631.4890 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.4890 | 10.0.22631.4890 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.3194 | 10.0.26100.3194 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.27566 | 6.1.7601.27566 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.23117 | 6.0.6003.23117 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25317 | 6.2.9200.25317 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22417 | 6.3.9600.22417 |
| microsoft | windows_server_2016 | < 10.0.14393.7785 | 10.0.14393.7785 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.7785 | 10.0.14393.7785 |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_msrc8.1HIGH
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Microsoft
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
vendor_msrc·2025-02-11·CVSS 8.1
CVE-2025-21376 [HIGH] CWE-362 Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
FAQ: According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
FAQ: How could an attacker exploit this vulnerability?
An unauthenticated attacker could send a specially crafted request to a vulnerable LDAP server. Successful exploitation could result in a buffer overflow which could be leveraged to achieve remote code execution.
Windows LDAP - Lightweight Directory Access Protocol: Windows LDAP - Lightweight Directory Access Protocol
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;E
GHSA
GHSA-fwv6-m7wj-gm63: Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
ghsa_unreviewed·2025-02-11
CVE-2025-21376 [HIGH] CWE-122 GHSA-fwv6-m7wj-gm63: Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
No detection rules found.
No public exploits indexed.
Talos
Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-02-11·CVSS 8.7
CVE-2025-21376 [HIGH] Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for February of 2025 which includes 63 vulnerabilities affecting a range of products, including 4 that Microsoft marked as “critical” and one marked as "moderate."
There are two notable "critical" vulnerabilities. The first is CVE-2025-21376, which is a remote code execution (RCE) vulnerability affecting the Windows Lightweight Directory Access Protocol (LDAP). This vulnerability is a remote unauthenticated Out-of-bounds Write (OOBW) caused by a race condition in LDAP and could potentially result in arbitrary code execution in the Local Security Authority Subsystem Service (lsass.exe). This is a process in the Microsoft Windows operating systems that is responsible for enforcing the security policy on the system. Successful exploitation o
Talos
Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-02-11·CVSS 8.7
CVE-2025-21376 [HIGH] Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for February of 2025 which includes 63 vulnerabilities affecting a range of products, including 4 that Microsoft marked as “critical” and one marked as "moderate."
There are two notable "critical" vulnerabilities. The first is CVE-2025-21376 , which is a remote code execution (RCE) vulnerability affecting the Windows Lightweight Directory Access Protocol (LDAP). This vulnerability is a remote unauthenticated Out-of-bounds Write (OOBW) caused by a race condition in LDAP and could potentially result in arbitrary code execution in the Local Security Authority Subsystem Service (lsass.exe). This is a process in the Microsoft Windows operating systems tha
Qualys
Microsoft and Adobe Patch Tuesday, February 2025 Security Update Review
blogs_qualys·2025-02-11
Microsoft and Adobe Patch Tuesday, February 2025 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for February 2025
Adobe Patches for February 2025
Zero-day Vulnerabilities Patched in February Patch Tuesday Edition
Critical Severity Vulnerabilities Patched in February Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
Rapid Response withPatch Management (PM)
Qualys Monthly Webinar Series
As the second Patch Tuesday of 2025 arrives, Microsoft has released crucial updates to strengthen cybersecurity defenses. Let’s explore the highlights and what they mean for users.
## Microsoft Patch Tuesday for February 2025
Microsoft Patch’s Tuesday, February 2025 edition addressed 67 vulnerabilities, including t
Qualys
Microsoft and Adobe Patch Tuesday, February 2025 Security Update Review | Qualys
blogs_qualys·2025-02-11
Microsoft and Adobe Patch Tuesday, February 2025 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for February 2025
- Adobe Patches for February 2025
- Zero-day Vulnerabilities Patched in February Patch Tuesday Edition
- Critical Severity Vulnerabilities Patched in February Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
- Rapid Response withPatch Management (PM)
- Qualys Monthly Webinar Series
As the second Patch Tuesday of 2025 arrives, Microsoft has released crucial updates to strengthen cybersecurity defenses. Let’s explore the highlights and what they mean for users.
## Microsoft Patch Tuesday for February 2025
Microsoft Patch’s Tuesday, February 2025 edition addressed 67 vulnerabilities,
Bleepingcomputer
Microsoft February 2025 Patch Tuesday fixes 4 zero-days, 55 flaws
blogs_bleepingcomputer·2025-02-11·CVSS 7.1
[HIGH] Microsoft February 2025 Patch Tuesday fixes 4 zero-days, 55 flaws
## Microsoft February 2025 Patch Tuesday fixes 4 zero-days, 55 flaws
## Lawrence Abrams
19 Elevation of Privilege Vulnerabilities
2 Security Feature Bypass Vulnerabilities
22 Remote Code Execution Vulnerabilities
1 Information Disclosure Vulnerabilities
9 Denial of Service Vulnerabilities
3 Spoofing Vulnerabilities
The above numbers do not include a critical Microsoft Dynamics 365 Sales elevation of privileges flaw and 10 Microsoft Edge vulnerabilities fixed on February 6.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5051987 & KB5051989 cumulative updates and the Windows 10 KB5051974 update .
## Two actively exploited zero-day disclosed
This month's Patch Tuesday fixes two actively exploited and two public
Tenable
Microsoft’s February 2025 Patch Tuesday Addresses 55 CVEs (CVE-2025-21418, CVE-2025-21391)
blogs_tenable·2025-02-11·CVSS 7.1
[HIGH] Microsoft’s February 2025 Patch Tuesday Addresses 55 CVEs (CVE-2025-21418, CVE-2025-21391)
## Cloud Exposure
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## Business needs
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AI Security Posture Management (AI-SPM)
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Crowdstrike
February 2025 Patch Tuesday: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
CVE-2026-20929 [HIGH] February 2025 Patch Tuesday: Updates and Analysis
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2025-02-11
Published