Zero-Day Exploit

Microsoft “Fix it” available to mitigate Internet Explorer 8 vulnerability

Today, we are making available a “Microsoft Fix it” solution to block attacks leveraging the Internet Explorer 8 (IE8) vulnerability described in Security Advisory 2847140. This code-signed, easily downloadable and install-able Fix it package uses the Windows application compatibility toolkit to make a small change at runtime to mshtml.dll every time IE is loaded. Here …

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New vulnerability affecting Internet Explorer 8 users

Today, the MSRC released Security Advisory 2794220 alerting customers to limited, targeted attacks affecting customers using Internet Explorer 6, 7, and 8. Internet Explorer 9 and Internet Explorer 10 users are safe. More information about the vulnerability and exploit In this particular vulnerability, IE attempts to reference and use an object that had previously been …

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New version of EMET is now available

Today we are pleased to announce a new version of the Enhanced Mitigation Experience Toolkit (EMET) with brand new features and mitigations. Users can click here to download the tool free of charge.  The Enhanced Mitigation Experience Toolkit enables and implements different techniques to make successful attacks on your system more difficult. EMET is designed …

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Coordinated Vulnerability Disclosure: Bringing Balance to the Force

Today on the MSRC blog, Matt Thomlinson, General Manager of Trustworthy Computing Security, announced our new philosophy on Coordinated Vulnerability Disclosure. I wanted to provide some context and history on how this came about. This post is about changing the way we at Microsoft talk about some familiar disclosure concepts, and is meant as an introduction …

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Security Advisory 2286198 Updated

We’ve just updated Microsoft Security Advisory 2286198 to let customers know that we now have an automated “Fix It” available to implement the workaround we first outlined in our original posting on Friday, July 16, 2010. More information is available in the KB article 2286198, but in summary running the “Fix It” can help prevent …

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July 2010 Security Bulletin Release

Hi everyone. As part of our usual monthly update cycle, today Microsoft is releasing four security bulletins to address five vulnerabilities in Windows and Microsoft Office. MS10-042 resolves a publicly disclosed and actively exploited vulnerability discussed in Security Advisory 2219475. The update addresses an issue in the Windows Help and Support Center feature included in …

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Help and Support Center vulnerability full-disclosure posting

Yesterday evening, one of Google’s security researchers publicly released vulnerability details and a working exploit for an unpatched vulnerability in Windows XP and Windows Server 2003. This afternoon, we’ve released security advisory 2219475 with official guidance. We’d like to use this blog entry to share more details about the issue and ways you can protect …

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Security Advisory 2219475 Released

Hello – We have released Security Advisory 2219475, addressing the vulnerability in the Windows Help and Support Center function in Windows XP and Windows Server 2003. We are not aware of any active attacks at this time. Customers running Windows Vista, Windows 7, Windows Server 2008 and Windows Server 2008 R2 are not vulnerable to …

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