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MS11-050: IE9 is better
Today, we released MS11-050, a cumulative security update for Internet Explorer to address several vulnerabilities in IE9. The following table lists the CVEs included in MS11-050, and whether each affects IE8 or IE9. CVE Rating IE8 IE9 CVE-2011-1246 Moderate Yes No CVE-2011-1258 Moderate Yes No CVE-2011-1252 Important Yes No CVE-2011-1256 Important Yes No CVE-2011-1255 Critical Yes No CVE-2011-1254 Critical Yes No CVE-2011-1251 Critical Yes No CVE-2011-1250 Critical Yes Yes CVE-2011-1260 Critical Yes Yes CVE-2011-1261 Critical Yes Yes CVE-2011-1262 Critical Yes Yes As shown above, only a minor fraction of vulnerabilities affecting IE8 (and earlier versions of the browser) would still affect IE9.