Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
43Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 83%
exploitation probability
83%top 1% of all CVEs
observed exploitation
nono source reports it
In short
A flaw in Windows LDAP allows an attacker to crash the LDAP service by sending specially crafted requests, causing legitimate users to lose access to directory services. This affects systems that rely on LDAP for authentication and user management.
Technical detail
Out-of-bounds read vulnerability (CWE-125) in Windows LDAP protocol handler enables remote denial of service through malformed LDAP messages. The attack requires network access to an LDAP service and results in service termination, impacting availability of directory-dependent systems.
Summary generated and translated by AI from the official description.
Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 22H2Microsoft · Windows 11 version 22H3Microsoft · Windows 11 Version 23H2Microsoft · Windows 11 Version 24H2Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft · Windows Server 2025Microsoft · Windows Server 2025 (Server Core installation)