NTLM Hash Disclosure Spoofing on Windows (CVE-2024-43451)

medium severity · exploited in the wild · published 2024-11-12

An attacker can trick Windows into revealing your NTLM password hash through a spoofed file. That hash lets them impersonate your account or crack your password offline.

Fixed in: 10.0.26100.2314

CVE: CVE-2024-43451

Source: Microsoft (MSRC)

Am I affected?

You are affected if the installed version is older than 10.0.26100.2314. Check the version you have and update to 10.0.26100.2314 or later. The fixed version is verified against a vendor or advisory source.

Get the fix

FixLane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the FixLane MCP server and call get_fix_prompt with incident id 1537 and your operating system.