# CVE-2024-43451

NTLM Hash Disclosure Spoofing Vulnerability

- Page: https://www.vulneraibility.com/cve/CVE-2024-43451
- CVSS: 6.5
- Known exploited: yes, in CISA KEV since 2024-11-12; CISA due date 2024-12-03
- EPSS: 84.27%
- Unvetted proof-of-concept code on GitHub: 2 GitHub proofs of concept (first 2025-01-20)
- CISA SSVC: exploitation active, automatable no, technical impact partial (assessed 2024-11-15)
- Weakness: CWE-73
- Published: 2024-11-12

## Affected versions

- Microsoft Windows 10 Version 1507: affected >= 10.0.10240.0 and < 10.0.10240.20826
- Microsoft Windows 10 Version 1607: affected >= 10.0.14393.0 and < 10.0.14393.7515
- Microsoft Windows 10 Version 1809: affected >= 10.0.17763.0 and < 10.0.17763.6532
- Microsoft Windows 10 Version 21H2: affected >= 10.0.19043.0 and < 10.0.19044.5131
- Microsoft Windows 10 Version 22H2: affected >= 10.0.19045.0 and < 10.0.19045.5131
- Microsoft Windows 11 version 22H2: affected >= 10.0.22621.0 and < 10.0.22621.4460
- Microsoft Windows 11 version 22H3: affected >= 10.0.22631.0 and < 10.0.22631.4460
- Microsoft Windows 11 Version 23H2: affected >= 10.0.22631.0 and < 10.0.22631.4460
- Microsoft Windows 11 Version 24H2: affected >= 10.0.26100.0 and < 10.0.26100.2314
- Microsoft Windows Server 2008 R2 Service Pack 1: affected >= 6.1.7601.0 and < 6.1.7601.27415
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation): affected >= 6.1.7601.0 and < 6.1.7601.27415
- Microsoft Windows Server 2008 Service Pack 2: affected >= 6.0.6003.0 and < 6.0.6003.22966
- Microsoft Windows Server 2008  Service Pack 2: affected >= 6.0.6003.0 and < 6.0.6003.22966
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation): affected >= 6.0.6003.0 and < 6.0.6003.22966
- Microsoft Windows Server 2012 R2: affected >= 6.3.9600.0 and < 6.3.9600.22267
- Microsoft Windows Server 2012 R2 (Server Core installation): affected >= 6.3.9600.0 and < 6.3.9600.22267
- Microsoft Windows Server 2016: affected >= 10.0.14393.0 and < 10.0.14393.7515
- Microsoft Windows Server 2016 (Server Core installation): affected >= 10.0.14393.0 and < 10.0.14393.7515
- Microsoft Windows Server 2019: affected >= 10.0.17763.0 and < 10.0.17763.6532
- Microsoft Windows Server 2019 (Server Core installation): affected >= 10.0.17763.0 and < 10.0.17763.6532
- Microsoft Windows Server 2022: affected >= 10.0.20348.0 and < 10.0.20348.2849
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): affected >= 10.0.25398.0 and < 10.0.25398.1251
- Microsoft Windows Server 2025: affected >= 10.0.26100.0 and < 10.0.26100.2314
- Microsoft Windows Server 2025 (Server Core installation): affected >= 10.0.26100.0 and < 10.0.26100.2314

A version outside these ranges is not a statement that it is unaffected.

## References

- [advisory] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43451

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.