Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability
NTLM Hash Disclosure Spoofing Vulnerability
What happened
NTLM Hash Disclosure Spoofing Vulnerability
CISA lists it as exploited, added 12 Nov 2024.
Does it affect you
Names Microsoft Windows Server. Enter the product and version you run to place it against the affected range the vendor published.
What to do
- Apply the vendor patch named in this advisory.
msrc.microsoft.com - Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
cisa.gov
CISA’s notes for this entry:
Affected, as published to NVD
- ms-winserver
- Microsoft Windows Server: everything below 10.0.14393.7515
The record
- NVD status
- Analyzed
- Published
- 12 Nov 2024, last modified 17 Jun 2026 (NVD)
- Severity
- CVSS 3.1 base score 6.5, Medium — computed here from the vector; NVD states 6.5.
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Weakness
- CWE-73 External Control of File Name or Path (NVD; names by MITRE)
- Exploitation
- Listed in CISA’s Known Exploited Vulnerabilities catalogue since 12 Nov 2024; federal remediation due 03 Dec 2024. CISA entry
- Exploit probability
- EPSS 84.3%, 100th percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
- Vendor
- Microsoft · Windows (CISA)
References on the NVD record
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451PatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43451US Government Resource
Sources
The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.