CVE-2024-43451
NTLM Hash Disclosure Spoofing Vulnerability
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C
Description
NTLM Hash Disclosure Spoofing Vulnerability
Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 Medium 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: Required
A user has to do something first, such as opening a file or following a link.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: None
No effect on the trustworthiness of data.
Availability impact: None
No effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | Required | A user has to do something first, such as opening a file or following a link. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | None | No effect on the trustworthiness of data. |
| Availability impact | None | No effect on availability. |
CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.
EPSS
- Score
- 0.84266 (84.3% probability)
- Percentile
- 99.7%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability
- Added to the catalog
- Nov 12, 2024
- Federal due date
- Dec 3, 2024
CISA assessment as of Nov 15, 2024
- Exploitation
- Recorded by CISA as active
- Automatable
- no
- Technical impact
- partial
Weakness (CWE)
- CWE-73External Control of File Name or Path
Affected products
Microsoft Windows Server 2025
- affected: 10.0.26100.0 up to before 10.0.26100.2314
Microsoft Windows Server 2025 (Server Core installation)
- affected: 10.0.26100.0 up to before 10.0.26100.2314
Microsoft Windows 10 Version 1809
- affected: 10.0.17763.0 up to before 10.0.17763.6532
Microsoft Windows Server 2019
- affected: 10.0.17763.0 up to before 10.0.17763.6532
Microsoft Windows Server 2019 (Server Core installation)
- affected: 10.0.17763.0 up to before 10.0.17763.6532
Microsoft Windows Server 2022
- affected: 10.0.20348.0 up to before 10.0.20348.2849
Microsoft Windows 10 Version 21H2
- affected: 10.0.19043.0 up to before 10.0.19044.5131
Microsoft Windows 11 version 22H2
- affected: 10.0.22621.0 up to before 10.0.22621.4460
Microsoft Windows 10 Version 22H2
- affected: 10.0.19045.0 up to before 10.0.19045.5131
Microsoft Windows 11 version 22H3
- affected: 10.0.22631.0 up to before 10.0.22631.4460
Microsoft Windows 11 Version 23H2
- affected: 10.0.22631.0 up to before 10.0.22631.4460
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- affected: 10.0.25398.0 up to before 10.0.25398.1251
Microsoft Windows 11 Version 24H2
- affected: 10.0.26100.0 up to before 10.0.26100.2314
Microsoft Windows 10 Version 1507
- affected: 10.0.10240.0 up to before 10.0.10240.20826
Microsoft Windows 10 Version 1607
- affected: 10.0.14393.0 up to before 10.0.14393.7515
Microsoft Windows Server 2016
- affected: 10.0.14393.0 up to before 10.0.14393.7515
Microsoft Windows Server 2016 (Server Core installation)
- affected: 10.0.14393.0 up to before 10.0.14393.7515
Microsoft Windows Server 2008 Service Pack 2
- affected: 6.0.6003.0 up to before 6.0.6003.22966
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
- affected: 6.0.6003.0 up to before 6.0.6003.22966
Microsoft Windows Server 2008 Service Pack 2
- affected: 6.0.6003.0 up to before 6.0.6003.22966
Microsoft Windows Server 2008 R2 Service Pack 1
- affected: 6.1.7601.0 up to before 6.1.7601.27415
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- affected: 6.1.7601.0 up to before 6.1.7601.27415
Microsoft Windows Server 2012 R2
- affected: 6.3.9600.0 up to before 6.3.9600.22267
Microsoft Windows Server 2012 R2 (Server Core installation)
- affected: 6.3.9600.0 up to before 6.3.9600.22267
References
- NTLM Hash Disclosure Spoofing Vulnerability (msrc.microsoft.com)vendor-advisory
Timeline
- ID reserved
- Added to CISA KEV
- Record published
- Record last updated
Look up another CVE
About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:51 UTC. Sources and licenses