This update resolves a newly-discovered, privately reported vulnerability. A remote code execution vulnerability exists in Microsoft Excel. The vulnerability is documented in the Vulnerability Details section of this bulletin.
If a user is logged on with administrative privileges, an attacker who successfully exploited this vulnerability could take complete control of an affected system, including installing programs; viewing, changing, or deleting data; or creating new accounts with full privileges. Users whose accounts are configured to have fewer privileges on the system would be at less risk than users who operate with administrative privileges.
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