Bulletin Severity Rating:Critical – This security update resolves a privately reported vulnerability in the JScript and VBScript scripting engines. The vulnerability could allow remote code execution if a user visited a specially crafted Web site. An attacker would have no way to force users to visit the Web site. Instead, an attacker would have to convince users to visit the Web site, typically…

Read more at: Microsoft Security Bulletins

Bulletin Severity Rating:Critical – This security update resolves a privately reported vulnerability in the JScript and VBScript scripting engines. The vulnerability could allow remote code execution if a user visited a specially crafted Web site. An attacker would have no way to force users to visit the Web site. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or Instant Messenger message that takes users to the attacker’s Web site.

Read more at: Microsoft Security Bulletins