CVE-2024-43451

Timeline

Detection, updates, and resolution for this record.

1. Nov 12, 2024 · Catalog

   Detected

   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.

2. Nov 12, 2024 · CISA KEV

   Known exploited

   Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

3. Dec 3, 2024 · CISA KEV

   Remediation due

   Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

4. Jun 17, 2026 · Catalog

   Updated

   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.

Affected

• cpe microsoft/windows 10 1507version unspecified
• cpe microsoft/windows 10 1607version unspecified
• cpe microsoft/windows 10 1809version unspecified
• cpe microsoft/windows 10 21h2version unspecified
• vendor Microsoft Windowsversion unspecified

Sources

• CISA KEVCVE-2024-43451

  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.

  cisa.gov
• CVE.orgCVE-2024-43451

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2024-43451

  30-day exploitation probability 84.1%

  first.org
• NIST NVDCVE-2024-43451

  NTLM Hash Disclosure Spoofing Vulnerability

  nvd.nist.gov

References

• CISA note · msrc.microsoft.com
• CISA note · nvd.nist.gov
• US Government Resource · cisa.gov