How severe is CVE-1999-0794?

CVE-1999-0794 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-1999-0794 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0794?

CVE-1999-0794 affects Microsoft Excel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0794?

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

When was CVE-1999-0794 published?

CVE-1999-0794 was published on 1999-10-01 and last updated on 2026-06-16.

CVE-1999-0794

CVE-1999-0794 is a medium-severity vulnerability in Microsoft Excel with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Microsoft Excel
Published: 1999-10-01
Last modified: 2026-06-16

Description

Microsoft Excel does not warn a user when a macro is present in a Symbolic Link (SYLK) format file.

Frequently asked questions

What is CVE-1999-0794?: Microsoft Excel does not warn a user when a macro is present in a Symbolic Link (SYLK) format file.
How severe is CVE-1999-0794?: CVE-1999-0794 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-1999-0794 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0794?: CVE-1999-0794 affects Microsoft Excel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0794?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0794 published?: CVE-1999-0794 was published on 1999-10-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:excel:*:*:*:*:*:*:*:*

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