CVE-2024-43451

NTLM Hash Disclosure Spoofing Vulnerability

NTLM Hash Disclosure Spoofing Vulnerability

Affected

Microsoft · Windows Server 2025 · Windows Server 2025 (Server Core installation) · Windows 10 Version 1809 · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows Server 2022

CVSS v3.1 MICROSOFT

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS

85.43% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2024-11-12

Published

2024-11-12

Updated

2025-10-21

Proof-of-concept exploits (2)

• RonF98/CVE-2024-43451-POC15★ · 2025-01-21
• razureink/cve-2024-43451-ntlm_hash_disclosure_reproduction0★ · 2026-07-23

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451

References

• CVE Record
• NVD entry

Related

• CVE-2023-21716
• CVE-2023-38831
• CVE-2023-6000
• CVE-2024-11972
• CVE-2021-44228
• CVE-2024-0012