CVE-2007-2221: Microsoft Internet Explorer

High severity, CVSS 9.3. EPSS: 34.9% chance of exploitation in the next 30 days.

Unspecified vulnerability in the mdsauth.dll COM object in Microsoft Windows Media Server in the Microsoft Internet Explorer 5.01 SP4 on Windows 2000 SP4; 6 SP1 on Windows 2000 SP4; 6 and 7 on Windows XP SP2, or Windows Server 2003 SP1 or SP2; or 7 on Windows Vista allows remote attackers to overwrite arbitrary files via unspecified vectors, aka the "Arbitrary File Rewrite Vulnerability."

Affected products

• Microsoft Internet Explorer: version 5.01 only; version 6 only; version 6.0 only; version 7.0 only

Published 2007-05-08. Last modified 2026-06-16.