Microsoft Excel 97 does not warn the user before executing worksheet functions, which could allow attackers to execute arbitrary commands by using the CALL function to execute a malicious DLL, aka the Excel "CALL Vulnerability."
AV:N/AC:L/Au:N/C:P/I:P/A:P
This vulnerability has a 7.02% probability of being exploited in the next 30 days, ranking higher than 94% of all scored CVEs.