MSHTML | Microsoft Security Response Center

Microsoft "Fix it" available for Internet Explorer 6, 7, and 8

Monday, December 31, 2012

This past weekend we have alerted you about a vulnerability present in Internet Explorer 6, 7, and 8 which has already been used in limited targeted attacks. Later versions of Internet Explorer (9 and 10) are not affected by this issue. As always, we recommend upgrading to the latest available. For those who are constrained to older versions, today we are providing a Microsoft “Fix it” solution designed to reduce the attack surface of this vulnerability.

FixIt
MSHTML

More information on Security Advisory 2757760's Fix It

Wednesday, September 19, 2012

Today, we revised Security Advisory 2757760 with two new pieces of information: A Fix It solution is available to address the vulnerability via an app-compat shim The comprehensive security update will be released out-of-band on Friday. In this blog post, we’d like to explain more about the vulnerability and explain how the Fix It solution addresses the issue.

Reports of DEP being bypassed

Wednesday, January 20, 2010

Yesterday we heard reports of a commercially available exploit that bypasses DEP. This exploit was made available to a limited number of major security vendors (Antivirus, IDS, and IPS vendors) and government CERT agencies. We wanted to use this opportunity to give an overview of current customer risk related to this DEP bypass.

Assessing risk of IE 0day vulnerability

Friday, January 15, 2010

Yesterday, the MSRC released Microsoft Security Advisory 979352 alerting customers to limited, sophisticated attacks targeting Internet Explorer 6 customers. Today, samples of that exploit were made publicly available. Before we get into the details I want to make one thing perfectly clear. The attacks we have seen to date, including the exploit released publicly, only affect customers using Internet Explorer 6.

MS09-023: Windows Search and MSHTML Host Apps

Tuesday, June 09, 2009

Today, we released MS09-023, a bulletin for Windows Search 4.0. It is an information disclosure vulnerability rated as Moderate. We would like to go into more details in this blog to help you understand: What is the attack vector? - Why is this vulnerability rated as Moderate?- What is the risk of MSHTML hosting apps?

The MSHTML Host Security FAQ: Part II of II

Friday, April 03, 2009

MSHTML, a.k.a. Trident, is the Internet Explorer browser rendering engine. MSHTML is a great solution for rendering HTML content, either in the context of a web browser, or simply to display rich UI in an application. You are likely not even aware of some of the many ways MSHTML is hosted within Windows and third party applications.

The MSHTML Host Security FAQ: Part I of II

Thursday, April 02, 2009

MSHTML, a.k.a. Trident, is the Internet Explorer browser rendering engine. MSHTML is a great solution for rendering HTML content, either in the context of a web browser, or simply to display rich UI in an application. You are likely not even aware of some of the many ways MSHTML is hosted within Windows and third party applications.