CVE-2024-21356 Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
An attacker can cause a denial of service in Windows LDAP by exploiting a null pointer dereference vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-21356?
CVE-2024-21356 is a medium-severity vulnerability in Microsoft Windows 10 1507, published on 13 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
Weakness: CWE-476
Which versions are affected by CVE-2024-21356?
It affects 14 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2 and 8 more.
How do I fix CVE-2024-21356?
No fix has been published for CVE-2024-21356 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-21356 being exploited?
There is no known exploitation of CVE-2024-21356 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-v22x-x62x-q5qj.