VULNERABILITY INTELLIGENCE
CVE-1999-1055
CVSS score7.5 HIGH
EPSS probability7.02%
CISA KEVNot currently listed
Published1999-12-31
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
Description
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."