7.5
High
CVE-2023-21557 Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
Description
Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1809 10.0 | 10.0.0 → < 10.0.17763.3887 | 10.0.17763.3887 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.3887 | 10.0.17763.3887 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.3887 | 10.0.17763.3887 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.1487 | 10.0.20348.1487 |
| Windows 10 Version 20H2 10.0 | 10.0.0 → < 10.0.19042.2486 | 10.0.19042.2486 |
| Windows 11 version 21H2 10.0 | 10.0.0 → < 10.0.22000.1455 | 10.0.22000.1455 |
| Windows 10 Version 21H2 10.0 | 10.0.19043.0 → < 10.0.19044.2486 | 10.0.19044.2486 |
| Windows 11 version 22H2 10.0 | 10.0.22621.0 → < 10.0.22621.1105 | 10.0.22621.1105 |
| Windows 10 Version 22H2 10.0 | 10.0.19045.0 → < 10.0.19045.2486 | 10.0.19045.2486 |
Show the 16 other branches Hide the 16 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1507 10.0 | 10.0.10240.0 → < 10.0.10240.19685 | 10.0.10240.19685 |
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.5648 | 10.0.14393.5648 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.5648 | 10.0.14393.5648 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.5648 | 10.0.14393.5648 |
| Windows 7 6.1 | 6.1.0 → < 6.1.7601.26321 | 6.1.7601.26321 |
| Windows 7 Service Pack 1 6.1 | 6.1.0 → < 6.1.7601.26321 | 6.1.7601.26321 |
| Windows 8.1 6.3 | 6.3.0 → < 6.3.9600.20778 | 6.3.9600.20778 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.6003.0 → < 6.0.6003.21872 | 6.0.6003.21872 |
| Windows Server 2008 Service Pack 2 (Server Core installation) 6.0 | 6.0.6003.0 → < 6.0.6003.21872 | 6.0.6003.21872 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.6003.0 → < 6.0.6003.21872 | 6.0.6003.21872 |
| Windows Server 2008 R2 Service Pack 1 6.1 | 6.1.7601.0 → < 6.1.7601.26321 | 6.1.7601.26321 |
| Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1 | 6.1.7601.0 → < 6.1.7601.26321 | 6.1.7601.26321 |
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.24075 | 6.2.9200.24075 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.24075 | 6.2.9200.24075 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.20778 | 6.3.9600.20778 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.20778 | 6.3.9600.20778 |
References
Timeline
- Published
- Last modified
Other CVEs of Windows 10 Version 1809
The 5349 CVEs of Windows 10 Version 1809 →
CVE-2026-108136
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally
7.8
High
CVE-2026-108471
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to…
8.8
High
CVE-2026-108132
Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally
7.0
High
CVE-2026-108129
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network
6.5
Medium