Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability
Microsoft — Windows
- Added to KEV catalog
- 12 November 2024
- Federal remediation due date
- 3 December 2024
- Weakness classification (CWE)
- CWE-73
CISA 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.
Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451 ; https://nvd.nist.gov/vuln/detail/CVE-2024-43451
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