CVE-2013-7331: Microsoft Internet Explorer Information Disclosure Vulnerability

Medium severity, CVSS 6.5. Actively exploited: in CISA KEV since 2022-05-25. EPSS: 50.2% chance of exploitation in the next 30 days.

The Microsoft.XMLDOM ActiveX control in Microsoft Windows 8.1 and earlier allows remote attackers to determine the existence of local pathnames, UNC share pathnames, intranet hostnames, and intranet IP addresses by examining error codes, as demonstrated by a res:// URL, and exploited in the wild in February 2014.

Affected products

• Microsoft Internet Explorer: version 6 only; version 7 only; version 8 only; version 9 only; version 10 only; version 11 only

Published 2014-02-26. Last modified 2026-06-17.