How severe is CVE-1999-0717?

CVE-1999-0717 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-1999-0717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0717?

CVE-1999-0717 primarily affects Microsoft Excel. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0717?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-0717 published?

CVE-1999-0717 was published on 1999-05-07 and last updated on 2026-06-16.

CVE-1999-0717

CVE-1999-0717 is a low-severity vulnerability in Microsoft Excel with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Excel
Published: 1999-05-07
Last modified: 2026-06-16

Description

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

Frequently asked questions

What is CVE-1999-0717?: A remote attacker can disable the virus warning mechanism in Microsoft Excel 97.
How severe is CVE-1999-0717?: CVE-1999-0717 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-1999-0717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0717?: CVE-1999-0717 primarily affects Microsoft Excel. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0717?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0717 published?: CVE-1999-0717 was published on 1999-05-07 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:microsoft:excel:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_95:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*

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