Intrusion Prevention

MS.IE.Blocksite.htm.Content.Spoofing

Description

This indicates an attack attempt to exploit an Information Spoofing vulnerability in Microsoft Internet Explorer.
The vulnerability is due to an error when the vulnerable software attempts to handles maliciously crafted web page. An attacker can exploit this by tricking a user into visiting a malicious webpage and serve spoof contents to the unsuspecting user.

Affected Products

Internet Explorer 9
Internet Explorer 10
Internet Explorer 11
Internet Explorer 11 on Windows 10

Impact

Information Spoofing: Remote attackers can serve spoof contents to unsuspecting targets.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
http://technet.microsoft.com/security/bulletin/MS17-006

CVE References

CVE-2017-0033