CVE-2024-43451
Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability
IN CISA KEV
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.
- Vendor
- Microsoft
- Product
- Windows
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-73
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2024-11-12
- Due date
- 2024-12-03
- Ransomware use
- Unknown
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS
85.4% chance of exploitation in the next 30 days (percentile 99th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.