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zero-day exploit

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zero-day exploit
An attack that takes place immediately after a security vulnerability is announced. If a user discovers a vulnerability, it might wind up on one or two blogs, and the news travels fast. If a software vendor finds it, the tendency is to keep it under wraps until it has a patch to fix it. However, in many cases, vendors have to announce the flaw because users may be able to avoid the problem by steering clear of a Web site or being sure to not open a certain e-mail attachment. See exploit.


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Aa Microsoft has issued a security advisory that provides customers with guidance and workarounds for dealing with a zero-day exploit aimed at Internet Explorer.
lt;p>Microsoft closed one zero-day exploit Tuesday with MS09-043, the one patch that did not affect Windows but rather Office Web Components in Office, Visual Studio, ISA Server and BizTalk Server.
As part of a security update that resolves two zero-day exploits, Microsoft on Tuesday delivered six patches to address nine vulnerabilities.
 
 
 
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