Microsoft has issued patches for 21 flaws in its software, saying all but two of them could let an intruder run malicious code on a compromised computer. The company sent out a dozen security bulletins on Tuesday as part of its regular monthly patch cycle. Eight of the bulletins are labeled “critical,” which is Microsoft’s highest risk rating. They cover problems with Windows, Internet Explorer, Word, PowerPoint and Exchange Server.

The number of vulnerabilities mean this is Microsoft’s largest clutch of patches to date, security experts said. “There has never been a Microsoft security update to address 21 issues and never one with 19 potential remote execution flaws,” said Amol Sarwate, the manager of the Vulnerability Management Lab at flaw management specialist Qualys.

View: Microsoft Security Bulletin Summary for June, 2006
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Source: ZDNet News via MSFN