CVE-2024-43451

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2024-43451

Confirmed

Yes

2024-11-12 00:00 UTC

Timestamps

2024-11-12

2024-11-12

Scope

KEV entry: Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability | Affected: Microsoft / Windows | Description: 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-12-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451 ; https://nvd.nist.gov/vuln/detail/CVE-2024-43451

References
  • {'id': 'CVE-2024-43451', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-43451'}

ccef5aec-1f65-49be-a68a-8dad7484c16b

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-73"
  ],
  "date_added": "2024-11-12",
  "due_date": "2024-12-03",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Windows",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability"
}
 -
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