Bulletin Severity Rating:Critical – This security update resolves two privately reported vulnerabilities that could allow remote code execution if a user opens a specially crafted Word file. An attacker who successfully exploited either vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts…

Read more at: Microsoft Security Bulletins

Bulletin Severity Rating:Critical – This security update resolves two privately reported vulnerabilities that could allow remote code execution if a user opens a specially crafted Word file. An attacker who successfully exploited either vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

Read more at: Microsoft Security Bulletins