Windows LDAP - Lightweight Directory Access Protocol
CVE-2025-29954 — Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
Executive Summary
Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.
Overview
5.9
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 5.2
EPSS Score
0.01065
probability of exploitation in the next 30 days
0.6028 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
33 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 for 32-bit Systems | 5058387 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 for x64-based Systems | 5058387 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 5058383 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 1607 for x64-based Systems | 5058383 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 1809 for 32-bit Systems | 5058392 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 1809 for x64-based Systems | 5058392 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 21H2 for 32-bit Systems | 5058379 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 21H2 for ARM64-based Systems | 5058379 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 21H2 for x64-based Systems | 5058379 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 22H2 for 32-bit Systems | 5058379 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 22H2 for ARM64-based Systems | 5058379 (Security Update) |
Important | Denial of Service | Yes |
| Windows 10 Version 22H2 for x64-based Systems | 5058379 (Security Update) |
Important | Denial of Service | Yes |
| Windows 11 Version 22H2 for ARM64-based Systems | 5058405 (Security Update) |
Important | Denial of Service | Yes |
| Windows 11 Version 22H2 for x64-based Systems | 5058405 (Security Update) |
Important | Denial of Service | Yes |
| Windows 11 Version 23H2 for ARM64-based Systems | 5058405 (Security Update) |
Important | Denial of Service | Yes |
| Windows 11 Version 23H2 for x64-based Systems | 5058405 (Security Update) |
Important | Denial of Service | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | 5058449 (Monthly Rollup) 5058429 (Security Only) |
Important | Denial of Service | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | 5058449 (Monthly Rollup) 5058429 (Security Only) |
Important | Denial of Service | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 | 5058449 (Monthly Rollup) 5058429 (Security Only) |
Important | Denial of Service | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | 5058449 (Monthly Rollup) 5058429 (Security Only) |
Important | Denial of Service | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 5058430 (Monthly Rollup) 5058454 (Security Only) |
Important | Denial of Service | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 5058430 (Monthly Rollup) 5058454 (Security Only) |
Important | Denial of Service | Yes |
| Windows Server 2012 | 5058451 (Monthly Rollup) |
Important | Denial of Service | Yes |
| Windows Server 2012 (Server Core installation) | 5058451 (Monthly Rollup) |
Important | Denial of Service | Yes |
| Windows Server 2012 R2 | 5058403 (Monthly Rollup) |
Important | Denial of Service | Yes |
| Windows Server 2012 R2 (Server Core installation) | 5058403 (Monthly Rollup) |
Important | Denial of Service | Yes |
| Windows Server 2016 | 5058383 (Security Update) |
Important | Denial of Service | Yes |
| Windows Server 2016 (Server Core installation) | 5058383 (Security Update) |
Important | Denial of Service | Yes |
| Windows Server 2019 | 5058392 (Security Update) |
Important | Denial of Service | Yes |
| Windows Server 2019 (Server Core installation) | 5058392 (Security Update) |
Important | Denial of Service | Yes |
| Windows Server 2022 | 5058385 (Security Update) 5058500 (SecurityHotpatchUpdate) |
Important | Denial of Service | Yes |
| Windows Server 2022 (Server Core installation) | 5058385 (Security Update) |
Important | Denial of Service | Yes |
| Windows Server 2022, 23H2 Edition (Server Core installation) | 5058384 (Security Update) |
Important | Denial of Service | Yes |
Patches
12 patches
| Article | Type | Restart |
|---|---|---|
5058387 |
Security Update | Yes |
5058383 |
Security Update | Yes |
5058392 |
Security Update | Yes |
5058379 |
Security Update | Yes |
5058405 |
Security Update | Yes |
5058449 (Monthly Rollup) 5058429 |
Monthly Rollup | Yes |
5058430 (Monthly Rollup) 5058454 |
Monthly Rollup | Yes |
5058451 |
Monthly Rollup | Yes |
5058403 |
Monthly Rollup | Yes |
5058385 (Security Update) 5058500 |
Security Update | Yes |
5058385 |
Security Update | Yes |
5058384 |
Security Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Erik Egsgard with Field Effect
References
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