CVE-2024-43451
NTLM Hash Disclosure Spoofing Vulnerability
NTLM Hash Disclosure Spoofing Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
NTLM Hash Disclosure Spoofing Vulnerability
NTLM Hash Disclosure Spoofing Vulnerability
- Record
CVE-2024-43451- CVSS 3.1
- 6.5 Medium
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 - Weakness
- CWE-73
- Updated
- 2026-11-02
EUVDEUVD-2024-40720
NTLM Hash Disclosure Spoofing Vulnerability
- Record
EUVD-2024-40720- CVSS 3.1
- 6.5 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8rx5-xm8f-w3w5
NTLM Hash Disclosure Spoofing Vulnerability
NTLM Hash Disclosure Spoofing Vulnerability
- Record
GHSA-8rx5-xm8f-w3w5- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
CISA KEV No score
Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability
Microsoft Windows contains an NTLMv2 hash spoofing vulnerability that could result in disclosing a user's NTLMv2 hash to an attacker via a file open operation. The attacker could then leverage this hash to impersonate that user.
- Record
CVE-2024-43451- Weakness
- CWE-73
- Updated
- 2026-11-02
NVD
NTLM Hash Disclosure Spoofing Vulnerability
- Record
CVE-2024-43451- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
Affected products
- microsoft windows
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1809
- microsoft windows 10 version 21h2
- microsoft windows 10 version 22h2
- microsoft windows 11 version 22h2
- microsoft windows 11 version 22h3
- microsoft windows 11 version 23h2
- microsoft windows 11 version 24h2
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 r2 service pack 1
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- microsoft windows server 2008 r2 service pack 1 (server core installation)
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 service pack 2 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows server 2022, 23h2 edition (server core installation)
- microsoft windows server 2025
- microsoft windows server 2025 (server core installation)
- microsoft windows 10 1507
- microsoft windows 10 1607
- microsoft windows 10 1809
- microsoft windows 10 21h2
- microsoft windows 10 22h2
- microsoft windows 11 22h2
- microsoft windows 11 23h2
- microsoft windows 11 24h2
- microsoft windows server 2008
- microsoft windows server 2012
- microsoft windows server 2022 23h2
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | RonF98/CVE-2024-43451-POC | 2025-01-20 |
| PoC in GitHub | razureink/cve-2024-43451-ntlm_hash_disclosure_reproduction | 2026-07-23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-43451 is a medium vulnerability (CVSS 6.5) in Microsoft Windows, published November 12, 2024. CISA lists it as known to be exploited, since November 12, 2024. EUVD reports exploitation since November 12, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 84.3%, the 99th percentile. No source names a fixed version.