Microsoft's Internet Explorer. (Photo : Microsoft)
Microsoft has issued a security bulletin for its software for the month of June.
According to Microsoft, five bulletins were issued but only one was labeled "Critical." Microsoft defines "Critical" as a "vulnerability whose exploitation could allow code execution without user interaction. These scenarios include self-propagating malware (e.g. network worms), or unavoidable common use scenarios where code execution occurs without warnings or prompts."
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The Critical bulletin, given the ID "MS13-047," is the only one of the five updates that affects Internet Explorer.
The security updates for Internet Explorer fixes 19 vulnerabilities that were privately reported to Microsoft. Of the vulnerabilities, the most severe was the possibility of a remote code execution if the user viewed a "specifically crafted" webpage while using Internet Explorer.
"An attacker who successfully exploited the most severe of these vulnerabilities could gain the same user rights as the current user," noted Microsoft. "Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights."
According to the Security Bulletin, the "Critical" rating is only for Internet Explorer version 6, 7, 8, 9, and 10 on Windows clients but moderate on Windows servers.
Microsoft addressed the June Security Bulletin with a webcast, which can be viewed here. The webcast provides an overview of the five bulletins with Microsoft's Senior Security Program Manager Andrew Goss and Group Manager for Response Communications' Dustin Childs.