CVE-1999-1055
Microsoft Excel 97 does not warn the user before executing worksheet functions, which could allow...
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."
Exploit likelihood
What each source reports
NVD Score used
7.5
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."
- Record
CVE-1999-1055- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-1999-1055- Updated
- 2026-11-02
EUVDEUVD-1999-1036 No score
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."
- Record
EUVD-1999-1036- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cx75-p9pm-2q97 No score
Microsoft Excel 97 does not warn the user before executing worksheet functions, which could allow...
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."
- Record
GHSA-cx75-p9pm-2q97- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-1055 is a high vulnerability (CVSS 7.5) in Microsoft Excel, published December 31, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.02%, the 94th percentile. No source names a fixed version.