CVE-2024-49113

Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

Affected

Microsoft · Windows 10 Version 1507 · Windows 10 Version 1607 · Windows 10 Version 1809 · Windows 10 Version 21H2 · Windows 10 Version 22H2 · Windows 11 version 22H2

CVSS v3.1 MICROSOFT

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

83.59% chance of exploitation in the next 30 days, 100th percentile

Published

2024-12-10

Updated

2026-06-09

Proof-of-concept exploits (4)

• 0xMetr0/metasploit-ldapnightmare0★ · 2025-02-15
• SafeBreach-Labs/CVE-2024-49113517★ · 2025-01-02
• alphatin123/CVE-2024-491131★ · 2026-07-18
• razureink/cve-2024-49113-ldap_nightmare_reproduction0★ · 2026-07-24

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49113

References

• CVE Record
• NVD entry

Related

• CVE-2022-37971
• CVE-2025-29969
• CVE-2026-24061
• CVE-2026-28372
• CVE-2026-4408
• CVE-2026-4480