Microsoft Office Excel on Mac OS X contains a flaw related to Microsoft Open XML File Format Converter's failure to securely set ACLs for the /Applications folder. This may allow a local attacker to access and replace the executable with a Trojan horse and execute arbitrary code.
Local / Remote,
Loss of Integrity
Patch / RCS
Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.
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