Information disclosure in Microsoft products - CVE-2024-43451
Published: November 12, 2024 / Updated: March 2, 2026
Vulnerability identifier: #VU100276
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2024-43451
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Microsoft Internet Explorer
Windows Server
Windows
Microsoft Internet Explorer
Windows Server
Windows
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to disclosure of a user's NTLMv2 hash. A remote attacker can trick the victim into visiting a specially crafted website and obtain their NTLMv2 hash.
Note, the vulnerability is being actively exploited in the wild.
How to mitigate CVE-2024-43451
Install updates from vendor's website.