Vulnerability in Microsoft Excel

CVE-1999-0717

A remote attacker can disable the virus warning mechanism in Microsoft Excel 97.

Published 1999-05-07 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 2.6 (Low). Vector: AV:N/AC:H/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.058 (92.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.058 · newest: 0.058 · change: 0.000

Affected products

Microsoft Excel
Microsoft Windows 2000
Microsoft Windows 95
Microsoft Windows 98
Microsoft Windows Nt — versions 4.0

References

docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-014 (vendor-advisory)
support.microsoft.com/default.aspx (vendor-advisory)