Technical Information

Brief overview of the risk:
A remote code execution vulnerability exists in Office 2003 Brazilian Grammar Checker. An attacker could exploit this vulnerability when Office parses a file and processes a malformed character set.
Detailed Information on the risk:
If a user were logged on with administrative user rights, an attacker who successfully exploited this 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. Users whose accounts are configured to have fewer user rights on the system could be less affected than users who operate with administrative user rights.Further information on this exploit is available at : MS07-001