Information disclosure in Microsoft products - CVE-2025-21377
Published: February 11, 2025
Vulnerability identifier: #VU103774
CSH Severity: Medium
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:U/U:Green
CVE-ID: CVE-2025-21377
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
Windows Server
Microsoft Internet Explorer
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to NTLMv2 hash disclosure within the MSHTML component. A remote attacker can trick the victim into clicking on a specially crafted link and obtain the NTLMv2 hash.
How to mitigate CVE-2025-21377
Install updates from vendor's website.